Question

PLS HELP I WILL GIVE BRAINLIIEST Which equation results from adding the equations in this system?

x + 6 y = 9. -x + 2 y = -15.

A) 8 y = negative 6
B) 8 y = 6
C) 4 y = 24
D) 4 y = negative 6

Answer 1

I think it might be C but the 24 should be negative

Explanation: