Answer
$\{-3\}$
Work Step by Step
Subtract $15$ from both sides.
$5x+15-15=0-15$
Simplify.
$5x=-15$
Divide both sides by $5$.
$\dfrac{5x}{5}=-\dfrac{15}{5}$
Simplify.
$x=-3$
Hence, the solution to the equation is $\{-3\}$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Appendix A - Review - A.6 Solving Equations - A.6 Assess Your Understanding - Page A51: 17
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