13=3u+8

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Solution for 13=3u+8 equation:


Simplifying
13 = 3u + 8

Reorder the terms:
13 = 8 + 3u

Solving
13 = 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.
13 + -3u = 8 + 3u + -3u

Combine like terms: 3u + -3u = 0
13 + -3u = 8 + 0
13 + -3u = 8

Add '-13' to each side of the equation.
13 + -13 + -3u = 8 + -13

Combine like terms: 13 + -13 = 0
0 + -3u = 8 + -13
-3u = 8 + -13

Combine like terms: 8 + -13 = -5
-3u = -5

Divide each side by '-3'.
u = 1.666666667

Simplifying
u = 1.666666667

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