-4=-x-y

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Solution for -4=-x-y equation:


Simplifying
-4 = -1x + -1y

Solving
-4 = -1x + -1y

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-4 + x = -1x + x + -1y

Combine like terms: -1x + x = 0
-4 + x = 0 + -1y
-4 + x = -1y

Add '4' to each side of the equation.
-4 + 4 + x = 4 + -1y

Combine like terms: -4 + 4 = 0
0 + x = 4 + -1y
x = 4 + -1y

Simplifying
x = 4 + -1y

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