-x-2y=-20

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Solution for -x-2y=-20 equation: 


Simplifying
-1x + -2y = -20

Solving
-1x + -2y = -20

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.
-1x + -2y + 2y = -20 + 2y

Combine like terms: -2y + 2y = 0
-1x + 0 = -20 + 2y
-1x = -20 + 2y

Divide each side by '-1'.
x = 20 + -2y

Simplifying
x = 20 + -2y

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