3(3x-9)=12+15

Solution for 3(3x-9)=12+15 equation:

Simplifying
3(3x + -9) = 12 + 15

Reorder the terms:
3(-9 + 3x) = 12 + 15
(-9 * 3 + 3x * 3) = 12 + 15
(-27 + 9x) = 12 + 15

Combine like terms: 12 + 15 = 27
-27 + 9x = 27

Solving
-27 + 9x = 27

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + 9x = 27 + 27

Combine like terms: -27 + 27 = 0
0 + 9x = 27 + 27
9x = 27 + 27

Combine like terms: 27 + 27 = 54
9x = 54

Divide each side by '9'.
x = 6

Simplifying
x = 6