Question

Choose the pair of equations which satisfy the point (1,-1)
a)4x-y=3,4x+y=3
b)4x+y=3,3x+2y=1
c)2x+3y=5,2x+3y=1
d)2x+y=3,2x-y=1

Answer 1

Answer:

I am confused with B and D.....please check through....