Concept explainers
To find: the value of number described
Answer to Problem 3P
The value of the number described is
Explanation of Solution
Given information: “A number whose product with 9 is same as its sum with 56”
Concept Involved:
Assign variable for the unknown that we need to find. Use the keywords in the statement to rewrite the statement to meaningful math equation.
“same as” means =
“product” means times
“sum” means +
Solve the equation by getting the variable in one side of the equation and undoing whatever is done to it by performing reverse operation.
Calculation: Let ‘ x’ be the number that we are trying to find. Rewrite the sentence by replacing the number with x .
The product of x with 9 is the same as its sum with 56.
Replace the keywords to get an equation representing the sentence given
In the process of getting x in one side of the equation subtract on both sides
Combine like terms on both sides
Divide by 8 on both sides of the equation
Simplify fraction on both sides of the equation
Conclusion:
A number whose product with 9 is same as its sum with 56 is
Chapter 3 Solutions
Algebra: Structure And Method, Book 1
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