SOLUTION: if I have an 80 in the class what do I need to get on my exam to make it an 84?

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Question 510883: if I have an 80 in the class what do I need to get on my exam to make it an 84?
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Try this!
Let x = the score you need on your exam:
%2880%2Bx%29%2F2+=+84 Multiply both sides by 2.
80%2Bx+=+168 Subtract 80 from both sides.
x+=+88
You need to score 88.