Question

NEED HELP QUICKLY! Which system of equations has exactly one solution?

2x + y = 7

2x + y = –3


5x – 4y = 8

3x + 2y = 8


15x + 9y = 36

10x + 6y = 36


8x – 12y = 48

6x – 9y = 36

Answer 1

Answer: 5x – 4y = 8

3x + 2y = 8

Explanation: I just took the assignment

Answer 2

Answer:The right answer is 5x-4y=8

3x+2y=8

Explanation:

I just guessed and I got it right... sorry I couldn’t give an explanation