7x-3+5x-21=180

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Solution for 7x-3+5x-21=180 equation: 



7x-3+5x-21=180

We move all terms to the left:

7x-3+5x-21-(180)=0

We add all the numbers together, and all the variables

12x-204=0

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

12x=204

x=204/12

x=17

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