-3x+9y=-12

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Solution for -3x+9y=-12 equation: 


Simplifying
-3x + 9y = -12

Solving
-3x + 9y = -12

Solving for variable 'x'.

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

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

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

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

Simplifying
x = 4 + 3y

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