Question 117523
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