Alex tried to simplify the expression (2x + 3) - (4x + 2) by first writing 2x + 3 - 4x + 2 and then simplifying to - 2x + 5 5. Did she do this correctly ? Explain your reasoning .

Q: Which expression is equivalent to (4x^4yz^-2)^-3?

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Q: what is equivalent to 9(2x-4)

A: THE EXPLANATION HAS BEEN GIVEN IN THE ATTACHED FILE BELOW.

Q: The value of 7 nickels is 5 * 7 cents. Likewise, the valueof x nickels is 5x cents. If the money box…

A: Since 1 nickel is equal to 5 cents, so x nickels are equal to 5x cents. Same as, a dime is worth 10…

Q: (r-4)(x+6)

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Q: Which expression is equivalent to (3x²y)*(2x*y²)² ?

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Q: what is (-3.376) - (-5.6)

A: = (-3.376) - (-5.6)open bracket and minus mimnus sign become plus signtherfore=-3.376+5.6

Q: The area of a rectangle is represented by the expression x-6x-40. If the length of the rectangle is…

A: The area of the rectangle is x2 - 6x - 40. If the length of the rectangle is x-10 then the…

Q: The desks at Ryder Middle School are shaped like a rectangle with an area of 2x- - 3x - 2 square…

A: Given,          The desks at Ryder Middle School are shaped like a rectangle with an area…

Q: Write the phrase as an expression. 9 fewer than 23 expression:

A: Here we have to write an expression for given phrase as shown below

Q: Simplify Зх + 2у — х + 4у -3х- 2у

A:

Q: p + 4p can be simplified to 5p2

A: p+4p

Q: Find an expression which represents the difference when (x + 4y) is subtracted from (-8x + 3y) in…

A:

Q: The expression -3m - [2m + (5 - m)]  + 7 was simplified as 2 - 4m. Without simplifying, explain how…

A: the final answer is 2-4m. the explanation is given in the below step

Q: Write an expression with 4 terms that simplifies to 3x - 4

A: Given expression is a binomial in x. The degree of the binomial is 1. So in the four terms to be…

Q: When finding (x + 5)2, why can't I just write x2 + 52, or x2 + 25?

A: Since the expanded form of the expression a+b2 is : a+b2=a2+b2+2ab In a similar way, the expansion…

Q: Translate into an algebraic expression. The product of eight and y, plus two, is all multiplied by…

A: Here, the statement of the expression is, "The product of eight and y, plus two, is all multiplied…

Q: For Exercise, simplify the expression. 4 - x2 6 - 3x- -2

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Q: Explain how you would evaluate the expression 3x + 4 for x=5 what is the solution

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Q: What is the value of the expression 4x -2y + xy, when x = -land y= 5 ? %3D

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Q: What is the value of this expression when x=-1 and y = 2? 4x°y?

A: Given, expression 4x3y2 To find value of equation at x=-1 and y =2

Q: Answer with true @/ /2x-5/4 then 2 false or

A: To find Whether the given statement is true or false

Q: Which algebraic expression shows "the sum of 11 and the quotient of a number and 3"?

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Q: Simplify 2(-2) - 4(-3) / (5 - 8).

A: The given expression is 2-2-4-35-8. Simplify the above expression as follows.

Q: Which expression is equivalent to 24x2- 22x + 5?

A: Here we have to factor the given expression.

Q: Why can't the expression

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Q: Explain how you would simplify (3-¹-2-2)-1 and also how you would simplify (3-¹ + 2-²)-¹.

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Q: Simplify the expression. 42x -2 -°y бх4у -8

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Q: equafion ,3 *+33x-34

A: Explanation: x3-10x2+33x-34  Is not a perfect cube. As putting x=2 we…

Q: Find the value of the expression 2x3 - 3x2 + 5x - 4 if x = 2. What is the value if x = 1?

A: Substitution is the process of replacing the variable or constant with its known value to find the…

Q: Simplify the expression 14z - 3 - (6 - 5z)

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Q: There are s steps from the pedestal to the head of the Statue of Liberty the number of steps in the…

A: Given Information: There are s steps from the pedestal to the head of the Statue of Liberty the…

Q: which expression must be added to 3x - 7 to equal 0?

A: Note: The expression -(ax+b) must be added to ax+b to equal 0?  i.e (ax+b)-(ax+b)=0

Q: 1 8= -2r+5

A:

Q: How do the expressions 4(3 + x) and (3 + 3 + 3 + 3) + (x + x + x + x) compare to one another?

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Q: What word phrase can you use to represent 5x +2 ?

A: To write the word phrase to represent the given equation

Q: What is the value of the expression when x = -2 and y = 4 45x +-5y

A: What is the value of expressionwhen x=-2 and y=4 45x+ -5y

Q: Which expression is equivalent to -3(4x-0.50)?

A: Simplification

Q: Find an expression which represents the difference when (-9x + 9) is subtracted from (x +8) in…

A: The simplified expression when the expression -9x+9 is subtracted from x+8.

Q: What difference is there in simplifying ∛(-5)3 and ∜(-5)4?

A:

Q: To convert from feet to inches, multiply by 12. For example, the number of inches in 2 feet is 12+-2…

A:

Q: To convert from feet to inches, we multiply by 12. For example, the number of inches in 2 feet is 12…

A:

Q: The expression (2x+ 1)-2(2x- 1) is equivalent to

A: (2x+1)2-2(2x2-1) = (2x)2+(1)2+2(2x)(1)+-2(2x2) +[(-2)(-1)]…

Q: how to simplify (2a3b-4)2

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Q: Please explain the first step on how you got the 2(15-0)+0-0?

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Q: 6) Find- Simplify your answer as much as possible y= (4x² + 5x)?

A: Given y = (4x2 + 5x)2  We have to find dydx

Q: Why is (-3x2)(2x-5) not simplified? What must be done to simplify the expression?

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Q: How would you simplify the expression (√8 + √12)/√2 ?

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Q: (2x2+1)* (4x)– 2x²(4) (2x² +1)°(4x) 3. 9. (2x2+1)8

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Q: What is the value of 2/3x-3=5

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Q: What is the value of the expression (-3를 ) + (-2) (-11) (-2) · (- 5.

A:

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.