-x-2y=15

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Solution for -x-2y=15 equation: 


Simplifying
-1x + -2y = 15

Solving
-1x + -2y = 15

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 = 15 + 2y

Combine like terms: -2y + 2y = 0
-1x + 0 = 15 + 2y
-1x = 15 + 2y

Divide each side by '-1'.
x = -15 + -2y

Simplifying
x = -15 + -2y

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