a+3.5=7.8

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Solution for a+3.5=7.8 equation: 



a+3.5=7.8

We move all terms to the left:

a+3.5-(7.8)=0

We add all the numbers together, and all the variables

a-4.3=0

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

a=4.3

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