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+6)=0

We get rid of parentheses

-x/7-6+21=0

We multiply all the terms by the denominator


-x-6*7+21*7=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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