SOLUTION: 3r+4=S;r how would you solve these equations

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Question 21745: 3r+4=S;r how would you solve these equations
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
3r+4 = S

Solving for r, you need to subtract 4 from each side.
3r +4 -4 = S-4
3r = S-4

Now, divide both sides by 3:
%283r%29%2F3=+%28S-4%29%2F3
r=+%28S-4%29%2F3

R^2 at SCC