3(2x-9)+x=15

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


Simplifying
3(2x + -9) + x = 15

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

Combine like terms: 6x + x = 7x
-27 + 7x = 15

Solving
-27 + 7x = 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 + 7x = 15 + 27

Combine like terms: -27 + 27 = 0
0 + 7x = 15 + 27
7x = 15 + 27

Combine like terms: 15 + 27 = 42
7x = 42

Divide each side by '7'.
x = 6

Simplifying
x = 6

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