7=x/9=21/36

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Solution for 7=x/9=21/36 equation: 



7=x/9=21/36

We move all terms to the left:

7-(x/9)=0

We add all the numbers together, and all the variables

-(+x/9)+7=0

We get rid of parentheses

-x/9+7=0

We multiply all the terms by the denominator


-x+7*9=0

We add all the numbers together, and all the variables

-1x+63=0

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

-x=-63

x=-63/-1

x=+63

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