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3/4+2n=21+2n
We move all terms to the left:
3/4+2n-(21+2n)=0
We add all the numbers together, and all the variables
2n-(2n+21)+3/4=0
We get rid of parentheses
2n-2n-21+3/4=0
We multiply all the terms by the denominator
2n*4-2n*4+3-21*4=0
We add all the numbers together, and all the variables
2n*4-2n*4-81=0
Wy multiply elements
8n-8n-81=0
We add all the numbers together, and all the variables
-81!=0
There is no solution for this equation
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