-3[9-4x]=-111

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Solution for -3[9-4x]=-111 equation: 


Simplifying
-3[9 + -4x] = -111
[9 * -3 + -4x * -3] = -111
[-27 + 12x] = -111

Solving
-27 + 12x = -111

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + 12x = -111 + 27

Combine like terms: -27 + 27 = 0
0 + 12x = -111 + 27
12x = -111 + 27

Combine like terms: -111 + 27 = -84
12x = -84

Divide each side by '12'.
x = -7

Simplifying
x = -7

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