2.85-7=12.85a-2

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Solution for 2.85-7=12.85a-2 equation: 



2.85-7=12.85a-2

We move all terms to the left:

2.85-7-(12.85a-2)=0

We add all the numbers together, and all the variables

-(12.85a-2)-4.15=0

We get rid of parentheses

-12.85a+2-4.15=0

We add all the numbers together, and all the variables

-12.85a-2.15=0

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

-12.85a=2.15

a=2.15/-12.85

a=-1/5.97674418605

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