12=(a/7)-2

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Solution for 12=(a/7)-2 equation: 



12=(a/7)-2

We move all terms to the left:

12-((a/7)-2)=0

We add all the numbers together, and all the variables

-((+a/7)-2)+12=0

We multiply all the terms by the denominator


-((+a+12*7)-2)=0



We calculate terms in parentheses: -((+a+12*7)-2), so:

(+a+12*7)-2

We add all the numbers together, and all the variables

(a+84)-2

We get rid of parentheses

a+84-2

We add all the numbers together, and all the variables

a+82

Back to the equation:

-(a+82)



We get rid of parentheses

-a-82=0

We add all the numbers together, and all the variables

-1a-82=0

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

-a=82

a=82/-1

a=-82

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