Algebra 1

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

Chapter 2 - Solving Equations - 2-1 Solving One-Step Equations - Practice and Problem-Solving Exercises - Page 85: 47


$d = 81$

Work Step by Step

$36 = \frac{4}{9}d$ We need to isolate the variable $d$ by multiplying through by the reciprocal of the coefficient of $d$ as shown below: $36 \times \frac{9}{4} = \frac{4}{9} \times \frac{9}{4}$ Simplifying we have: $81 = d$ Rearranging the equation we have: $d = 81$ Therefore, the equation has a possible solution at the point $d = 81$
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