7x-20+2x-7=180

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Solution for 7x-20+2x-7=180 equation: 



7x-20+2x-7=180

We move all terms to the left:

7x-20+2x-7-(180)=0

We add all the numbers together, and all the variables

9x-207=0

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

9x=207

x=207/9

x=23

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