7=a-9.2-3

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Solution for 7=a-9.2-3 equation: 



7=a-9.2-3

We move all terms to the left:

7-(a-9.2-3)=0

We add all the numbers together, and all the variables

-(a-12.2)+7=0

We get rid of parentheses

-a+12.2+7=0

We add all the numbers together, and all the variables

-1a+19.2=0

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

-a=-19.2

a=-19.2/-1

a=19+0.2/1

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