21=x/7=6

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Solution for 21=x/7=6 equation: 



21=x/7=6

We move all terms to the left:

21-(x/7)=0

We add all the numbers together, and all the variables

-(+x/7)+21=0

We get rid of parentheses

-x/7+21=0

We multiply all the terms by the denominator


-x+21*7=0

We add all the numbers together, and all the variables

-1x+147=0

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

-x=-147

x=-147/-1

x=+147

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