3(3u-5)=12

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Solution for 3(3u-5)=12 equation: 


Simplifying
3(3u + -5) = 12

Reorder the terms:
3(-5 + 3u) = 12
(-5 * 3 + 3u * 3) = 12
(-15 + 9u) = 12

Solving
-15 + 9u = 12

Solving for variable 'u'.

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

Add '15' to each side of the equation.
-15 + 15 + 9u = 12 + 15

Combine like terms: -15 + 15 = 0
0 + 9u = 12 + 15
9u = 12 + 15

Combine like terms: 12 + 15 = 27
9u = 27

Divide each side by '9'.
u = 3

Simplifying
u = 3

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