Question 701054
X/(2X+3)
(X+4)/(2X+3-3)=5/6
(X+4)/(2X)=5/6 CROSS MULTIPLY
5*2X=6(X+4)
10X=6X+24
10X-6X=24
4X=24
X=24/4
X=6 
2*6+3=15
6/15 IS THE ORIGINAL FRACTION.
PROOF:
(6+4)/(15-3)=5/6
10/12=5/6
5/6=5/6