7+u=-8

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Solution for 7+u=-8 equation: 


Simplifying
7 + u = -8

Solving
7 + u = -8

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 = -8 + -7

Combine like terms: 7 + -7 = 0
0 + u = -8 + -7
u = -8 + -7

Combine like terms: -8 + -7 = -15
u = -15

Simplifying
u = -15

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