a+1.20=3.5

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Solution for a+1.20=3.5 equation: 



a+1.20=3.5

We move all terms to the left:

a+1.20-(3.5)=0

We add all the numbers together, and all the variables

a-2.3=0

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

a=2.3

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