-3(-3z)=72

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Solution for -3(-3z)=72 equation: 


Simplifying
-3(-3z) = 72

Remove parenthesis around (-3z)
-3 * -3z = 72

Multiply -3 * -3
9z = 72

Solving
9z = 72

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Divide each side by '9'.
z = 8

Simplifying
z = 8

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