7=x/12=9

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Solution for 7=x/12=9 equation: 



7=x/12=9

We move all terms to the left:

7-(x/12)=0

We add all the numbers together, and all the variables

-(+x/12)+7=0

We get rid of parentheses

-x/12+7=0

We multiply all the terms by the denominator


-x+7*12=0

We add all the numbers together, and all the variables

-1x+84=0

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

-x=-84

x=-84/-1

x=+84

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