21=6-x/5

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Solution for 21=6-x/5 equation: 



21=6-x/5

We move all terms to the left:

21-(6-x/5)=0

We add all the numbers together, and all the variables

-(-x/5+6)+21=0

We get rid of parentheses

x/5-6+21=0

We multiply all the terms by the denominator


x-6*5+21*5=0

We add all the numbers together, and all the variables

x+75=0

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

x=-75

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