How do you solve $-20= - 4z$ ?

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Answer 1 · 2017-07-30T22:41:42

$z=5$

To find $z$ , make it the subject of the formula by isolating it. Divide by $-4$ on both sides.. Negative / negative=positive. So $-20/-4=5$

How do you solve -20= - 4z-20= - 4z?