Answer:
a
Step-by-step explanation:
because the rest aren't true
2×+y=0,
×-y=6
Add the 1st to the 2nd equation==> 3x +y-y=6+0==> 3x=6 & x=2
Plug 2 into any of the equation & you will get y=-4
Answer:
A and B
Step-by-step explanation:
9x+9+5x-6
14x+3
32x+8-18x-5
14x+3
3 bags are needed to cover the flower bed.