7-u=-12

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Solution for 7-u=-12 equation: 


Simplifying
7 + -1u = -12

Solving
7 + -1u = -12

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 + -1u = -12 + -7

Combine like terms: 7 + -7 = 0
0 + -1u = -12 + -7
-1u = -12 + -7

Combine like terms: -12 + -7 = -19
-1u = -19

Divide each side by '-1'.
u = 19

Simplifying
u = 19

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