Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.5 - Equations - 1.5 Exercises: 19


$\frac{x}{3}-2=\frac{5}{3}x+7$ Solution: $x=-\frac{27}{4}$

Work Step by Step

1. $\frac{x}{3}-2=\frac{5}{3}x+7$ 2. Add 2 to both sides: $\frac{x}{3}=\frac{5}{3}x+9$ 3. Multiply each side by 3: $x=5x+27$ 4. Subtract $5x$ from each side:$-4x=27$ 5. Divide both sides by -4: $x=-\frac{27}{4}$
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