BuyFind

Single Variable Calculus: Concepts...

4th Edition
James Stewart
Publisher: Cengage Learning
ISBN: 9781337687805
BuyFind

Single Variable Calculus: Concepts...

4th Edition
James Stewart
Publisher: Cengage Learning
ISBN: 9781337687805

Solutions

Chapter A, Problem 31E
To determine

To calculate: To solve the equation

Expert Solution

Answer to Problem 31E

  x=2,43

Explanation of Solution

Given information: Equation is |x+3|=|2x+1|

Formula Used:

If |x|=a , then x=±a

Calculation:

Equation is given as

  |x+3|=|2x+1|

On solving,

  (x+3)=±(2x+1)

Case1: When x+3=2x+1

  x+3=2x+12xx=31x=2

Case 2: When x+3=(2x+1)

  x+3=(2x+1)x+3=2x1x+2x=133x=4x=43

Thus, x=2,43

Conclusion:

Hence, x=2,43

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