-4(-3z)=84

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Solution for -4(-3z)=84 equation: 


Simplifying
-4(-3z) = 84

Remove parenthesis around (-3z)
-4 * -3z = 84

Multiply -4 * -3
12z = 84

Solving
12z = 84

Solving for variable 'z'.

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

Divide each side by '12'.
z = 7

Simplifying
z = 7

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