SOLUTION: Here is the problem: A=1/2h(m+n) solve for n The answer is n = 2A/h Please show me how you get there. I have tried a number of times but I dont see how they got rid of the

Algebra ->  Algebra  -> Equations -> SOLUTION: Here is the problem: A=1/2h(m+n) solve for n The answer is n = 2A/h Please show me how you get there. I have tried a number of times but I dont see how they got rid of the      Log On

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Question 30597: Here is the problem:
A=1/2h(m+n) solve for n
The answer is n = 2A/h
Please show me how you get there. I have tried a number of times but I dont see how they got rid of the m.
thanks

Answer by Earlsdon(6103) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for n:
A+=+%281%2F2%29h%28m%2Bn%29 Multiply both sides by 2.
2A+=+h%28m%2Bn%29 Divide both sides by h.
2A%2Fh+=+m%2Bn Finally, subtract m from both sides.
2A%2Fh-m+=+n
Answer is:
n+=+2A%2Fh-m
If done correctly, the m does not disappear.