21/3=x/4

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Solution for 21/3=x/4 equation: 



21/3=x/4

We move all terms to the left:

21/3-(x/4)=0

We add all the numbers together, and all the variables

-(+x/4)+21/3=0

We add all the numbers together, and all the variables

-(+x/4)+7=0

We get rid of parentheses

-x/4+7=0

We multiply all the terms by the denominator


-x+7*4=0

We add all the numbers together, and all the variables

-1x+28=0

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

-x=-28

x=-28/-1

x=+28

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