SOLUTION: Solve the equation 3r/4-(2r-1)18=3/2 for r. Please help. I can't seem to figure out the answer.

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Question 334915: Solve the equation
3r/4-(2r-1)18=3/2 for r. Please help. I can't seem to figure out the answer.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%283r%29%2F4-%282r-1%2918=3%2F2
Multiply both sides by 4.
3r-%282r-1%2972=6
3r-%28144r-72%29=6
3r-144r%2B72=6
-141r=-66
r=66%2F141
highlight%28r=22%2F47%29