3(x-2y)=-12

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Solution for 3(x-2y)=-12 equation: 


Simplifying
3(x + -2y) = -12
(x * 3 + -2y * 3) = -12
(3x + -6y) = -12

Solving
3x + -6y = -12

Solving for variable 'x'.

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

Add '6y' to each side of the equation.
3x + -6y + 6y = -12 + 6y

Combine like terms: -6y + 6y = 0
3x + 0 = -12 + 6y
3x = -12 + 6y

Divide each side by '3'.
x = -4 + 2y

Simplifying
x = -4 + 2y

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