21/7=2/7q

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Solution for 21/7=2/7q equation: 



21/7=2/7q

We move all terms to the left:

21/7-(2/7q)=0



Domain of the equation: 7q)!=0

q!=0/1

q!=0

q∈R



We add all the numbers together, and all the variables

-(+2/7q)+21/7=0

We add all the numbers together, and all the variables

-(+2/7q)+3=0

We get rid of parentheses

-2/7q+3=0

We multiply all the terms by the denominator


3*7q-2=0

Wy multiply elements

21q-2=0

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

21q=2

q=2/21

q=2/21

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