Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-7 Solving Proportions - Lesson Check - Page 127: 4



Work Step by Step

$\frac{3}{x+1}=\frac{1}{2}$ cross multiply $3\times2=1(x+1)$ simplify $6=x+1$ subtract 1 from both sides $6-1=x+1-1$ simplify $5=x$
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