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posted by Ray on Tuesday, January 11, 2011 at 8:54pm.
Solve the proportion for u. (u-2):(u+3) = 4:3
(u-2):(u+3) = 4:3 (u - 2)/(u + 3) = 4/3 3(u - 2) = 4(u + 3) 3u - 6 = 4u + 12 u = - 18 -18 - 2 = - 20 -18 + 3 = - 15 -20:-15 = 4:3
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