SOLUTION: solve 12 over 2x +1 equals 20 over 3X

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Question 117523: solve

12 over 2x +1 equals 20 over 3X
Answer by checkley71(8403) About Me  (Show Source):
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12/(X+1)=20/3X NOW CROSS MULTIPLY
20(X+1)=12*3X
20X+20=36X
20X-36X=-20
-16X=-20
X=-20/-16
X=5/4 OR 1.25 ANSWER.
PROOF
12/2.25=20/3*1.25
5.333=20/3.75
5.333=5.333