Question

good morning everyone!
decide whether or not the ordered pair is a solution of the system.
1. (-3,-2)
x+y=-5
x-y+-1
answer yes

2.(-1,-1)
x+y=0
x-y=2
answer no

3. (1,-3)
2x+y=-1
3x+2y=-3
answer no

4.(4,6)
4x+y=10
2x+4y=-16
answer no

Answer 1

1st question 2nd equation?

Answer 2

yes

Answer 3

yes, no yes no

Answer 4

thank you

Answer 5

welcome