2a-7=3.5

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Solution for 2a-7=3.5 equation: 



2a-7=3.5

We move all terms to the left:

2a-7-(3.5)=0

We add all the numbers together, and all the variables

2a-10.5=0

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

2a=10.5

a=10.5/2

a=5+0.5/2

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