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(5x+1)/3=21
We move all terms to the left:
(5x+1)/3-(21)=0
We multiply all the terms by the denominator
(5x+1)-21*3=0
We add all the numbers together, and all the variables
(5x+1)-63=0
We get rid of parentheses
5x+1-63=0
We add all the numbers together, and all the variables
5x-62=0
We move all terms containing x to the left, all other terms to the right
5x=62
x=62/5
x=12+2/5
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