Question

Find the value of (5x-3y)/(7x+2y) if x/y=3/4.

Answer 1

X/y=3/4
x=3y/4

(4x+5y)/(5x-2y)
{(4*3y/4)+5y}/{(5*3y/4)-2y}
(3y+5y)/{(15y/4)-2y}
(8y*4)/7y 
32/7
32:7