-2x+2y=-18

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Solution for -2x+2y=-18 equation: 


Simplifying
-2x + 2y = -18

Solving
-2x + 2y = -18

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
-2x + 2y + -2y = -18 + -2y

Combine like terms: 2y + -2y = 0
-2x + 0 = -18 + -2y
-2x = -18 + -2y

Divide each side by '-2'.
x = 9 + y

Simplifying
x = 9 + y

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