SOLUTION: I need help solving this equation. I have the answer but I need help on how to work it out. The equation is s=n/2(a+t). The answer is a=2s-nt/n

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Question 56984: I need help solving this equation. I have the answer but I need help on how to work it out. The equation is s=n/2(a+t). The answer is a=2s-nt/n
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The equation is s = n/2(a+t).
:
Here's how I understand the problem:
s = %28n%2F2%29%28a%2Bt%29. Solve for a
Multiply equation by 2, this gets rid of the denominator:
2s = n(a + t)
:
Divide equation by n:
2s%2Fn = a + t
Subtract t from both sides:
%282s%2Fn%29-+t = a
:
Not sure how you got the answer that you gave.