match the system of equations to the number of solutions it has

Question

infinite solutions , no solutions, one solution

responses:

y=5x+7 3y-15x=18

x-2y=6 3x-6y=18

y=3x+6 y= -1/3 x -4

y=2/3x -1 y=2/3x -2

Answer 1

y=5x+7 3y-15x=18 → one solution

x-2y=6 3x-6y=18 → infinite solutions

y=3x+6 y= -1/3 x -4 → no solutions

y=2/3x -1 y=2/3x -2 → one solution