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

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

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Answer 1 · 2017-07-30T22:41:42

$z = 5$ $z=5$

Explanation:

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

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

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