3(2u-9)=15

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Solution for 3(2u-9)=15 equation: 


Simplifying
3(2u + -9) = 15

Reorder the terms:
3(-9 + 2u) = 15
(-9 * 3 + 2u * 3) = 15
(-27 + 6u) = 15

Solving
-27 + 6u = 15

Solving for variable 'u'.

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

Add '27' to each side of the equation.
-27 + 27 + 6u = 15 + 27

Combine like terms: -27 + 27 = 0
0 + 6u = 15 + 27
6u = 15 + 27

Combine like terms: 15 + 27 = 42
6u = 42

Divide each side by '6'.
u = 7

Simplifying
u = 7

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