-3x+12y=-90

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Solution for -3x+12y=-90 equation: 


Simplifying
-3x + 12y = -90

Solving
-3x + 12y = -90

Solving for variable 'x'.

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

Add '-12y' to each side of the equation.
-3x + 12y + -12y = -90 + -12y

Combine like terms: 12y + -12y = 0
-3x + 0 = -90 + -12y
-3x = -90 + -12y

Divide each side by '-3'.
x = 30 + 4y

Simplifying
x = 30 + 4y

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