$7x + 5y = 2$ The given equation is one equation in a system of two l…

Question

Prompt

7 x + 5 y = 2

The given equation is one equation in a system of two linear equations. If the system has at least one solution, which of the following equations could be the other equation in the system?
I.

10.5 x + 7.5 y = 3

II.

10.5 x - 7.5 y = 3

I only

II only

I and II

Neither I nor II