-2x-2y=8

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Solution for -2x-2y=8 equation: 


Simplifying
-2x + -2y = 8

Solving
-2x + -2y = 8

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 = 8 + 2y

Combine like terms: -2y + 2y = 0
-2x + 0 = 8 + 2y
-2x = 8 + 2y

Divide each side by '-2'.
x = -4 + -1y

Simplifying
x = -4 + -1y

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