Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 9 - Basic Algebra - Review Exercises - Page 698: 85

Answer

$y=9$

Work Step by Step

We are given the equation $20=3y-7$. We can solve for y by first adding 7 to both sides. $20+7=3y-7+7$ $3y=27$ Divide both sides by 3. $\frac{3y}{3}=\frac{27}{3}$ Therefore, $y=9$.
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