Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.3 - Solving Linear Equations - Exercise Set - Page 141: 27



Work Step by Step

6=-4(1-x)+3(x+1) 6=-4(1)-4(-x)+3(x)+3(1) 6=-4+4x+3x+3 6=(4x+3x)+(3-4) 6=7x-1 6+1=7x 7=7x $\frac{7}{7}$=x 1=x x=1 Check the answer. 6=-4(1-1)+3(1+1) 6=-4(0)+3(2) 6=0+6 6=6
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