10x+9+2x-9=180

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Solution for 10x+9+2x-9=180 equation: 


Simplifying
10x + 9 + 2x + -9 = 180

Reorder the terms:
9 + -9 + 10x + 2x = 180

Combine like terms: 9 + -9 = 0
0 + 10x + 2x = 180
10x + 2x = 180

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

Solving
12x = 180

Solving for variable 'x'.

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

Divide each side by '12'.
x = 15

Simplifying
x = 15

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