9.5-2.8+a=20.2

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Solution for 9.5-2.8+a=20.2 equation: 



9.5-2.8+a=20.2

We move all terms to the left:

9.5-2.8+a-(20.2)=0

We add all the numbers together, and all the variables

a-13.5=0

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

a=13.5

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