-1(-x-y)=-1(3)

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Solution for -1(-x-y)=-1(3) equation: 


Simplifying
-1(-1x + -1y) = -1(3)
(-1x * -1 + -1y * -1) = -1(3)
(1x + 1y) = -1(3)

Multiply -1 * 3
1x + 1y = -3

Solving
1x + 1y = -3

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
1x + 1y + -1y = -3 + -1y

Combine like terms: 1y + -1y = 0
1x + 0 = -3 + -1y
1x = -3 + -1y

Divide each side by '1'.
x = -3 + -1y

Simplifying
x = -3 + -1y

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