For each of the following pairs of equations , find the x and y valuesat the intersection:
a) y= 60 - 4x snf y =6x
b) y= ax and y=y=b-cx
c) 64=xy and y/x = 1/4
d) 4= x1/2 y1/2 and y/x= 1/4
e) y/x = a/b and c=xy
f) 24 =4x +4x +6y and y/x = 2/3
g) y= 18+5x=x2 / x and y=5+2x