6x-3(x+3)=-12

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Solution for 6x-3(x+3)=-12 equation: 


Simplifying
6x + -3(x + 3) = -12

Reorder the terms:
6x + -3(3 + x) = -12
6x + (3 * -3 + x * -3) = -12
6x + (-9 + -3x) = -12

Reorder the terms:
-9 + 6x + -3x = -12

Combine like terms: 6x + -3x = 3x
-9 + 3x = -12

Solving
-9 + 3x = -12

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 3x = -12 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = -12 + 9
3x = -12 + 9

Combine like terms: -12 + 9 = -3
3x = -3

Divide each side by '3'.
x = -1

Simplifying
x = -1

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