7-5u=-8

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Solution for 7-5u=-8 equation: 


Simplifying
7 + -5u = -8

Solving
7 + -5u = -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 + -5u = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -5u = -8 + -7
-5u = -8 + -7

Combine like terms: -8 + -7 = -15
-5u = -15

Divide each side by '-5'.
u = 3

Simplifying
u = 3

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