Question 744631
9x+4y= 9/4......1
y=4x-1..........2
substituting value of y from 2 in 1
9x+4(4x-1)=9/4
or 9x+16x-4=9/4
or 25x=9/4+4=25/4
or x=1/4
y=4*1/4-1=0