Question

Which system of equations has infinitely many solutions?
4 x + 2 y = 5. Negative 4 x minus 2 y = 1.
Negative 10 x + y = 4. 10 x minus y = negative 4.
Negative 8 x + y = 2. 8 x minus y = 0.
Negative x + 2 y = 6. 7 x minus 2 y = 12.

Answer 1

negative 8 × + y = 2. 8 × minus y = 0