69=13-7/12a

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Solution for 69=13-7/12a equation: 



69=13-7/12a

We move all terms to the left:

69-(13-7/12a)=0



Domain of the equation: 12a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(-7/12a+13)+69=0

We get rid of parentheses

7/12a-13+69=0

We multiply all the terms by the denominator


-13*12a+69*12a+7=0

Wy multiply elements

-156a+828a+7=0

We add all the numbers together, and all the variables

672a+7=0

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

672a=-7

a=-7/672

a=-1/96

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