7x+3x-21=180

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



7x+3x-21=180

We move all terms to the left:

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

We add all the numbers together, and all the variables

10x-201=0

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

10x=201

x=201/10

x=20+1/10

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