Question

Which system of equations has infinitely many solutions?

A. 4x + 2y = 5

-4x - 2y = 1

B. -10x + y = 4

10x - y = -4

C. -8x + y = 2

8x - y = 0

D. -x + 2y = 6

7x - 2y = 12

edit: please answer quickly !!!! i only have 20 minutes left on this test so i need answers soon !!!!!

Answer 1

i got b

Explanation:

got it correct in edge 2020

Answer 2

B

Explanation:

B

because when we sum two equations we got obvious thing that 0=0