-12-4x=84

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Solution for -12-4x=84 equation: 


Simplifying
-12 + -4x = 84

Solving
-12 + -4x = 84

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -4x = 84 + 12

Combine like terms: -12 + 12 = 0
0 + -4x = 84 + 12
-4x = 84 + 12

Combine like terms: 84 + 12 = 96
-4x = 96

Divide each side by '-4'.
x = -24

Simplifying
x = -24

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