2x+9+12x+3=180

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Solution for 2x+9+12x+3=180 equation: 



2x+9+12x+3=180

We move all terms to the left:

2x+9+12x+3-(180)=0

We add all the numbers together, and all the variables

14x-168=0

We move all terms containing x to the left, all other terms to the right

14x=168

x=168/14

x=12

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