# Chapter 2 - Section 2.2 - The Multiplication Property of Equality - Exercise Set - Page 130: 11

$z=6$

#### Work Step by Step

Divide both sides of the equation by -3 to isolate the variable. $-18=-3z$ $-3z=-18$ $\frac{-3z}{-3}$=$\frac{-18}{-3}$ $z=6$ Check the answer. -18=-3(6) -18=-18

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