8-u=7

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Solution for 8-u=7 equation: 


Simplifying
8 + -1u = 7

Solving
8 + -1u = 7

Solving for variable 'u'.

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

Add '-8' to each side of the equation.
8 + -8 + -1u = 7 + -8

Combine like terms: 8 + -8 = 0
0 + -1u = 7 + -8
-1u = 7 + -8

Combine like terms: 7 + -8 = -1
-1u = -1

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

Simplifying
u = 1

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