3=7x/7

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Solution for 3=7x/7 equation: 



3=7x/7

We move all terms to the left:

3-(7x/7)=0

We add all the numbers together, and all the variables

-(+7x/7)+3=0

We get rid of parentheses

-7x/7+3=0

We multiply all the terms by the denominator


-7x+3*7=0

We add all the numbers together, and all the variables

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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