-x-1=-y

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Solution for -x-1=-y equation: 


Simplifying
-1x + -1 = -1y

Reorder the terms:
-1 + -1x = -1y

Solving
-1 + -1x = -1y

Solving for variable 'x'.

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

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

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

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

Simplifying
x = -1 + y

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