-3[x+4]=12

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Solution for -3[x+4]=12 equation: 


Simplifying
-3[x + 4] = 12

Reorder the terms:
-3[4 + x] = 12
[4 * -3 + x * -3] = 12
[-12 + -3x] = 12

Solving
-12 + -3x = 12

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 + -3x = 12 + 12

Combine like terms: -12 + 12 = 0
0 + -3x = 12 + 12
-3x = 12 + 12

Combine like terms: 12 + 12 = 24
-3x = 24

Divide each side by '-3'.
x = -8

Simplifying
x = -8

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