21=5+x/3

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Solution for 21=5+x/3 equation: 



21=5+x/3

We move all terms to the left:

21-(5+x/3)=0

We add all the numbers together, and all the variables

-(x/3+5)+21=0

We get rid of parentheses

-x/3-5+21=0

We multiply all the terms by the denominator


-x-5*3+21*3=0

We add all the numbers together, and all the variables

-1x+48=0

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

-x=-48

x=-48/-1

x=+48

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