8.2a-1.2=2.1+4.9a

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Solution for 8.2a-1.2=2.1+4.9a equation: 



8.2a-1.2=2.1+4.9a

We move all terms to the left:

8.2a-1.2-(2.1+4.9a)=0

We add all the numbers together, and all the variables

8.2a-(4.9a+2.1)-1.2=0

We get rid of parentheses

8.2a-4.9a-2.1-1.2=0

We add all the numbers together, and all the variables

3.3a-3.3=0

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

3.3a=3.3

a=3.3/3.3

a=1

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