21=x/5

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Solution for 21=x/5 equation: 



21=x/5

We move all terms to the left:

21-(x/5)=0

We add all the numbers together, and all the variables

-(+x/5)+21=0

We get rid of parentheses

-x/5+21=0

We multiply all the terms by the denominator


-x+21*5=0

We add all the numbers together, and all the variables

-1x+105=0

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

-x=-105

x=-105/-1

x=+105

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