3(x-9)+9x=2x-7

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Solution for 3(x-9)+9x=2x-7 equation:


Simplifying
3(x + -9) + 9x = 2x + -7

Reorder the terms:
3(-9 + x) + 9x = 2x + -7
(-9 * 3 + x * 3) + 9x = 2x + -7
(-27 + 3x) + 9x = 2x + -7

Combine like terms: 3x + 9x = 12x
-27 + 12x = 2x + -7

Reorder the terms:
-27 + 12x = -7 + 2x

Solving
-27 + 12x = -7 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-27 + 12x + -2x = -7 + 2x + -2x

Combine like terms: 12x + -2x = 10x
-27 + 10x = -7 + 2x + -2x

Combine like terms: 2x + -2x = 0
-27 + 10x = -7 + 0
-27 + 10x = -7

Add '27' to each side of the equation.
-27 + 27 + 10x = -7 + 27

Combine like terms: -27 + 27 = 0
0 + 10x = -7 + 27
10x = -7 + 27

Combine like terms: -7 + 27 = 20
10x = 20

Divide each side by '10'.
x = 2

Simplifying
x = 2

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