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21/3=m-2/5
We move all terms to the left:
21/3-(m-2/5)=0
We add all the numbers together, and all the variables
-(+m-2/5)+21/3=0
We add all the numbers together, and all the variables
-(+m-2/5)+7=0
We get rid of parentheses
-m+7+2/5=0
We multiply all the terms by the denominator
-m*5+2+7*5=0
We add all the numbers together, and all the variables
-m*5+37=0
Wy multiply elements
-5m+37=0
We move all terms containing m to the left, all other terms to the right
-5m=-37
m=-37/-5
m=7+2/5
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