Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-6 Compound Inequalities - Practice and Problem-Solving Exercises - Page 205: 40

Answer

$y\lt- \frac{20}{3}$ or $y \gt \frac{38}{4}$

Work Step by Step

$\frac{4y+2}{5}-5\gt3$ or $\frac{4-3y}{6}\gt4$ For: $\frac{4y+2}{5}-5\gt3$ First, solve for y. Add 5 to both sides: $\frac{4y+2}{5} \gt 8$ Multiply 5 on both sides: $4y+2 \gt 40$ Subtract 2 from both sides: $4y \gt 38$ Divide both sides by 4 $y \gt \frac{38}{4}$ For: $\frac{4-3y}{6}\gt4$ Multiply 6 on both sides: $4-3y \gt 24$ Subtract 4 from both sides: $-3y \gt 20$ Divide both sides by -3 $y\lt- \frac{20}{3}$ The solutions are $y\lt- \frac{20}{3}$ or $y \gt \frac{38}{4}$
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