21x+57=180

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Solution for 21x+57=180 equation: 



21x+57=180

We move all terms to the left:

21x+57-(180)=0

We add all the numbers together, and all the variables

21x-123=0

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

21x=123

x=123/21

x=5+6/7

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