Answer
$$b=\frac{2A}{h}-t;\quad \:h\ne \:0$$
Work Step by Step
Solving the equation by isolating the variable using the rules of Algebra, we find:
$$ \frac{1}{2}h\left(b+t\right)=A\\ b+t=\frac{2A}{h}\\ b=\frac{2A}{h}-t;\quad \:h\ne \:0$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1-8 - Cumulative Review - Page 574: 5
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