4(3-2z)=-84

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Solution for 4(3-2z)=-84 equation: 


Simplifying
4(3 + -2z) = -84
(3 * 4 + -2z * 4) = -84
(12 + -8z) = -84

Solving
12 + -8z = -84

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + -8z = -84 + -12

Combine like terms: 12 + -12 = 0
0 + -8z = -84 + -12
-8z = -84 + -12

Combine like terms: -84 + -12 = -96
-8z = -96

Divide each side by '-8'.
z = 12

Simplifying
z = 12

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