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1+2x/5+4-x/2=21/10
We move all terms to the left:
1+2x/5+4-x/2-(21/10)=0
We add all the numbers together, and all the variables
2x/5-x/2+1+4-(+21/10)=0
We add all the numbers together, and all the variables
2x/5-x/2+5-(+21/10)=0
We get rid of parentheses
2x/5-x/2+5-21/10=0
We calculate fractions
There is no solution for this equation
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