w-31=78

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Solution for w-31=78 equation: 


Simplifying
w + -31 = 78

Reorder the terms:
-31 + w = 78

Solving
-31 + w = 78

Solving for variable 'w'.

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

Add '31' to each side of the equation.
-31 + 31 + w = 78 + 31

Combine like terms: -31 + 31 = 0
0 + w = 78 + 31
w = 78 + 31

Combine like terms: 78 + 31 = 109
w = 109

Simplifying
w = 109

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