College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises: 19

Answer

$-8$

Work Step by Step

Subtract $7$ to both sides to obtain: $\frac{1}{2}x +7-7 = 3-7 \\\frac{1}{2}x=-4$ Multiply $2$ to both sides to obtain: $x =2(-4) \\x=-8$
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