Answer
$z=3$
Work Step by Step
$2z=-4z+18$
First add 4z to both sides.
$2z+4z=18$
$6z=18$
Then divide both sides by 6.
6z$\div$6=18$\div$6
$z=3$
Check the answer.
2(3)=-4(3)+18
6=-12+18
6=6
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