3(7x-9)-9x=-15

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Solution for 3(7x-9)-9x=-15 equation: 


Simplifying
3(7x + -9) + -9x = -15

Reorder the terms:
3(-9 + 7x) + -9x = -15
(-9 * 3 + 7x * 3) + -9x = -15
(-27 + 21x) + -9x = -15

Combine like terms: 21x + -9x = 12x
-27 + 12x = -15

Solving
-27 + 12x = -15

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 + 12x = -15 + 27

Combine like terms: -27 + 27 = 0
0 + 12x = -15 + 27
12x = -15 + 27

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

Divide each side by '12'.
x = 1

Simplifying
x = 1

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