100-u=88

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Solution for 100-u=88 equation:


Simplifying
100 + -1u = 88

Solving
100 + -1u = 88

Solving for variable 'u'.

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

Add '-100' to each side of the equation.
100 + -100 + -1u = 88 + -100

Combine like terms: 100 + -100 = 0
0 + -1u = 88 + -100
-1u = 88 + -100

Combine like terms: 88 + -100 = -12
-1u = -12

Divide each side by '-1'.
u = 12

Simplifying
u = 12

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