-5=-8+u

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Solution for -5=-8+u equation:


Simplifying
-5 = -8 + u

Solving
-5 = -8 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-5 + -1u = -8 + u + -1u

Combine like terms: u + -1u = 0
-5 + -1u = -8 + 0
-5 + -1u = -8

Add '5' to each side of the equation.
-5 + 5 + -1u = -8 + 5

Combine like terms: -5 + 5 = 0
0 + -1u = -8 + 5
-1u = -8 + 5

Combine like terms: -8 + 5 = -3
-1u = -3

Divide each side by '-1'.
u = 3

Simplifying
u = 3

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