College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 4 - Section 4.1 - Properties of Linear Functions and Linear Models - 4.1 Assess Your Understanding: 4

Answer

$x=50$

Work Step by Step

Add $15x$ and $900$ to both sides of the equation to obtain: \begin{array}{ccc} &60x-900+15x+900&=&-15x+2850+15x+900 \\&75x&=&3750\end{array} Divide 75 on both sides of the equation to obtain: $x=\dfrac{3750}{75} \\x=50$
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