1.68=2.8a-0.4a

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Solution for 1.68=2.8a-0.4a equation: 



1.68=2.8a-0.4a

We move all terms to the left:

1.68-(2.8a-0.4a)=0

We add all the numbers together, and all the variables

-(+2.4a)+1.68=0

We get rid of parentheses

-2.4a+1.68=0

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

-2.4a=-1.68

a=-1.68/-2.4

a=1/1.42857142857

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