-1(-y-1)=

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


Simplifying
-1(-1y + -1) = 0

Reorder the terms:
-1(-1 + -1y) = 0
(-1 * -1 + -1y * -1) = 0
(1 + 1y) = 0

Solving
1 + 1y = 0

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + 1y = 0 + -1

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

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

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

Simplifying
y = -1

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