Answer
$x=-9$
Work Step by Step
$h(x)=-7x$
Substituting $63$ for $h(x)$, we get
$63=-7x$
Divide both sides of the equation by $-7$ to obtain
$\frac{63}{-7}=\frac{-7x}{-7}$
Or $-9=x$
When $x=-9$, $h(x)=63$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 3 - Graphing Linear Functions - 3.3 - Function Notation - Exercises - Page 125: 13
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