Question

Which equations have no solution?

a. 3x-y=2, 9x-3y=6
b. 4x-7y+28=0, 5y-7x+9=0
c. 3x-5y-11=0, 6x-10y-7=0
d. None of these

Answer 1

C has no solution

Explanation

A. x=7, y=8

B. x=2/3 +1/3