-2.22+0.1a=a+1.2

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Solution for -2.22+0.1a=a+1.2 equation: 



-2.22+0.1a=a+1.2

We move all terms to the left:

-2.22+0.1a-(a+1.2)=0

We get rid of parentheses

0.1a-a-1.2-2.22=0

We add all the numbers together, and all the variables

-0.9a-3.42=0

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

-0.9a=3.42

a=3.42/-0.9

a=-3+0.72/0.9

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