w+78=87

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Solution for w+78=87 equation: 


Simplifying
w + 78 = 87

Reorder the terms:
78 + w = 87

Solving
78 + w = 87

Solving for variable 'w'.

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

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

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

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

Simplifying
w = 9

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