3u-13=2

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Solution for 3u-13=2 equation: 


Simplifying
3u + -13 = 2

Reorder the terms:
-13 + 3u = 2

Solving
-13 + 3u = 2

Solving for variable 'u'.

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

Add '13' to each side of the equation.
-13 + 13 + 3u = 2 + 13

Combine like terms: -13 + 13 = 0
0 + 3u = 2 + 13
3u = 2 + 13

Combine like terms: 2 + 13 = 15
3u = 15

Divide each side by '3'.
u = 5

Simplifying
u = 5

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