1=7+x/21

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Solution for 1=7+x/21 equation: 



1=7+x/21

We move all terms to the left:

1-(7+x/21)=0

We add all the numbers together, and all the variables

-(x/21+7)+1=0

We get rid of parentheses

-x/21-7+1=0

We multiply all the terms by the denominator


-x-7*21+1*21=0

We add all the numbers together, and all the variables

-1x-126=0

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

-x=126

x=126/-1

x=-126

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