5=8+3u

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Solution for 5=8+3u equation:


Simplifying
5 = 8 + 3u

Solving
5 = 8 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
5 + -3u = 8 + 3u + -3u

Combine like terms: 3u + -3u = 0
5 + -3u = 8 + 0
5 + -3u = 8

Add '-5' to each side of the equation.
5 + -5 + -3u = 8 + -5

Combine like terms: 5 + -5 = 0
0 + -3u = 8 + -5
-3u = 8 + -5

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

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

Simplifying
u = -1

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