Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.3 - Further Solving Linear Equations - Exercise Set: 42

Answer

x = $-\frac{31}{2}$

Work Step by Step

9x + 3(x - 4) = 10(x - 5) + 7 Distribute: 9x + 3x - 12 = 10x - 50 + 7 Combine like terms: 12x - 12 = 10x - 43 Subtract 10x from both sides: 2x - 12 = -43 Add 12 to both sides: 2x = -31 Divide both sides by 2: x = $-\frac{31}{2}$
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