7x+9+5x+15=180

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Solution for 7x+9+5x+15=180 equation: 



7x+9+5x+15=180

We move all terms to the left:

7x+9+5x+15-(180)=0

We add all the numbers together, and all the variables

12x-156=0

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

12x=156

x=156/12

x=13

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