10x-9+3x+20=180

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Solution for 10x-9+3x+20=180 equation: 



10x-9+3x+20=180

We move all terms to the left:

10x-9+3x+20-(180)=0

We add all the numbers together, and all the variables

13x-169=0

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

13x=169

x=169/13

x=13

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