y+(-87)=-45

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Solution for y+(-87)=-45 equation: 


Simplifying
y + (-87) = -45
y + -87 = -45

Reorder the terms:
-87 + y = -45

Solving
-87 + y = -45

Solving for variable 'y'.

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

Add '87' to each side of the equation.
-87 + 87 + y = -45 + 87

Combine like terms: -87 + 87 = 0
0 + y = -45 + 87
y = -45 + 87

Combine like terms: -45 + 87 = 42
y = 42

Simplifying
y = 42

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