12x=84,x=7

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Solution for 12x=84,x=7 equation: 



12x=84.x=7

We move all terms to the left:

12x-(84.x)=0

We add all the numbers together, and all the variables

12x-(+84.x)=0

We get rid of parentheses

12x-84.x=0

We add all the numbers together, and all the variables

-72x=0

x=0/-72

x=0

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