3u-12=3

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Solution for 3u-12=3 equation: 


Simplifying
3u + -12 = 3

Reorder the terms:
-12 + 3u = 3

Solving
-12 + 3u = 3

Solving for variable 'u'.

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

Add '12' to each side of the equation.
-12 + 12 + 3u = 3 + 12

Combine like terms: -12 + 12 = 0
0 + 3u = 3 + 12
3u = 3 + 12

Combine like terms: 3 + 12 = 15
3u = 15

Divide each side by '3'.
u = 5

Simplifying
u = 5

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