5.4a-2.7a-0.8a=3.9a

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Solution for 5.4a-2.7a-0.8a=3.9a equation: 



5.4a-2.7a-0.8a=3.9a

We move all terms to the left:

5.4a-2.7a-0.8a-(3.9a)=0

We add all the numbers together, and all the variables

5.4a-2.7a-0.8a-(+3.9a)=0

We add all the numbers together, and all the variables

1.9a-(+3.9a)=0

We get rid of parentheses

1.9a-3.9a=0

We add all the numbers together, and all the variables

-2a=0

a=0/-2

a=0

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