11-u=-7

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Solution for 11-u=-7 equation:


Simplifying
11 + -1u = -7

Solving
11 + -1u = -7

Solving for variable 'u'.

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

Add '-11' to each side of the equation.
11 + -11 + -1u = -7 + -11

Combine like terms: 11 + -11 = 0
0 + -1u = -7 + -11
-1u = -7 + -11

Combine like terms: -7 + -11 = -18
-1u = -18

Divide each side by '-1'.
u = 18

Simplifying
u = 18

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