-3/7=-5/21+m

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Solution for -3/7=-5/21+m equation: 



-3/7=-5/21+m

We move all terms to the left:

-3/7-(-5/21+m)=0



Domain of the equation: 21+m)!=0

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

m)!=-21

m!=-21/1

m!=-21

m∈R



We add all the numbers together, and all the variables

-(+m-5/21)-3/7=0

We get rid of parentheses

-m+5/21-3/7=0

We calculate fractions

There is no solution for this equation

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