-7+u=81

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Solution for -7+u=81 equation: 


Simplifying
-7 + u = 81

Solving
-7 + u = 81

Solving for variable 'u'.

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

Add '7' to each side of the equation.
-7 + 7 + u = 81 + 7

Combine like terms: -7 + 7 = 0
0 + u = 81 + 7
u = 81 + 7

Combine like terms: 81 + 7 = 88
u = 88

Simplifying
u = 88

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