2a+3.5=7.5

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Solution for 2a+3.5=7.5 equation: 



2a+3.5=7.5

We move all terms to the left:

2a+3.5-(7.5)=0

We add all the numbers together, and all the variables

2a-4=0

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

2a=4

a=4/2

a=2

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