w-87=-78

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Solution for w-87=-78 equation: 


Simplifying
w + -87 = -78

Reorder the terms:
-87 + w = -78

Solving
-87 + w = -78

Solving for variable 'w'.

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

Add '87' to each side of the equation.
-87 + 87 + w = -78 + 87

Combine like terms: -87 + 87 = 0
0 + w = -78 + 87
w = -78 + 87

Combine like terms: -78 + 87 = 9
w = 9

Simplifying
w = 9

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