39.99+.17a=12.99+.3a

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Solution for 39.99+.17a=12.99+.3a equation: 



39.99+.17a=12.99+.3a

We move all terms to the left:

39.99+.17a-(12.99+.3a)=0

We add all the numbers together, and all the variables

.17a-(.3a+12.99)+39.99=0

We get rid of parentheses

.17a-.3a-12.99+39.99=0

We add all the numbers together, and all the variables

-0.13a+27=0

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

-0.13a=-27

a=-27/-0.13

a=207+0.09/0.13

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