BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.5, Problem 28E
To determine

Solve the equations.

Expert Solution

Answer to Problem 28E

  x=12

Explanation of Solution

Given information:

  3x+12=x+53

Formula used:

Transposition of terms.

Calculation:

  3x+12=x+5312=x+533x

Cross multiplying in RHS to simplify

  12=x+533x312=x+53x312=52x3

  123=52x36=52x6=52x65=(2x)

  1=(2x)x=12

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