x+9x-20+2x+8=180

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Solution for x+9x-20+2x+8=180 equation:


Simplifying
x + 9x + -20 + 2x + 8 = 180

Reorder the terms:
-20 + 8 + x + 9x + 2x = 180

Combine like terms: -20 + 8 = -12
-12 + x + 9x + 2x = 180

Combine like terms: x + 9x = 10x
-12 + 10x + 2x = 180

Combine like terms: 10x + 2x = 12x
-12 + 12x = 180

Solving
-12 + 12x = 180

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 12x = 180 + 12

Combine like terms: -12 + 12 = 0
0 + 12x = 180 + 12
12x = 180 + 12

Combine like terms: 180 + 12 = 192
12x = 192

Divide each side by '12'.
x = 16

Simplifying
x = 16

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