Answer:
a=-4, b=-4. (-4, -4).
Step-by-step explanation:
-3a+7b=-16
-9a+5b=16
-------------------
-3(-3a+7b)=-3(-16)
-9a+5b=16
---------------------------
9a-21b=48
-9a+5b=16
------------------
-16b=64
b=64/-16
b=-4
-3a+7(-4)=-16
-3a-28=-16
-3a=-16+28
-3a=12
a=12/-3
a=-4
Answer:
( x , y ) = ( -1 , - 5 )
Step-by-step explanation:
This was the answer when i did it.
Answer:
n=4
Step-by-step explanation:
-28 divided by -7 is 4
No because if you skip count by 8 you will not see any 84
8
16
24
32
40
48
56
64
72
80
88
...
The answer is D because 3x3x4=36 ekekekekkeekkeke
