-y-57=-40

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Solution for -y-57=-40 equation: 


Simplifying
-1y + -57 = -40

Reorder the terms:
-57 + -1y = -40

Solving
-57 + -1y = -40

Solving for variable 'y'.

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

Add '57' to each side of the equation.
-57 + 57 + -1y = -40 + 57

Combine like terms: -57 + 57 = 0
0 + -1y = -40 + 57
-1y = -40 + 57

Combine like terms: -40 + 57 = 17
-1y = 17

Divide each side by '-1'.
y = -17

Simplifying
y = -17

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