3(x+2)=9x-9

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


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

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

Reorder the terms:
6 + 3x = -9 + 9x

Solving
6 + 3x = -9 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
6 + 3x + -9x = -9 + 9x + -9x

Combine like terms: 3x + -9x = -6x
6 + -6x = -9 + 9x + -9x

Combine like terms: 9x + -9x = 0
6 + -6x = -9 + 0
6 + -6x = -9

Add '-6' to each side of the equation.
6 + -6 + -6x = -9 + -6

Combine like terms: 6 + -6 = 0
0 + -6x = -9 + -6
-6x = -9 + -6

Combine like terms: -9 + -6 = -15
-6x = -15

Divide each side by '-6'.
x = 2.5

Simplifying
x = 2.5

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