Answer
$y=-3$
Work Step by Step
$5(y-4)=7(2y+1) \\\\ 5y-20=14y+7 \\\\ 9y+7=-20 \\\\ 9y=-27 \\\\ y=-3$
We plug our solution back into the equation and confirm that the answer is, indeed, correct.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 2 - Solving Equations - 2-4 Solving Equations With Variables on Both Sides - Lesson Check - Page 105: 2
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