SOLUTION: 2 + (A+3)/2 = 5.5 Need to solve for A. I know the answer, but need to know how it was done. Very simple, just can't remember the proper way to do this from 10 years ago in

SOLUTION: 2 + (A+3)/2 = 5.5 Need to solve for A. I know the answer, but need to know how it was done. Very simple, just can't remember the proper way to do this from 10 years ago in

Algebra.Com

Question 132074: 2 + (A+3)/2 = 5.5 Need to solve for A. I know the answer, but need to know how it was done.
Very simple, just can't remember the proper way to do this from 10 years ago in High school. thanks
Answer by dkspoet(13) (Show Source): You can put this solution on YOUR website!
2 + (A+3)/2 = 5.5
-2 + 2 + (A+3)/2 = 5.5 - 2
2*(A+3)/2 = 2*3.5
A+3-3 = 7-3
A = 4

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