$6x+3y=5$. If the system has ít nhất một nghiệm, which of the followi…

Question

Prompt

6 x + 3 y = 5

. If the system has ít nhất một nghiệm, which of the following equations could be the other equation? I.

1.9 x + 4.5 y = 7.5

II.

1.9 x - 4.5 y = 7.5

I only

II only

I and II

Neither I nor II