8=-7+5u

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Solution for 8=-7+5u equation:


Simplifying
8 = -7 + 5u

Solving
8 = -7 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
8 + -5u = -7 + 5u + -5u

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

Add '-8' to each side of the equation.
8 + -8 + -5u = -7 + -8

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

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

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

Simplifying
u = 3

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