Answer:
1.9 Kilograms.
Step-by-step explanation:
12 flips
Answer: x=-10, y=13
+2y-2y = 0, eliminating y is much easier. So -3x-5x = -8x and 56+24 = 80
Substitute x in any equations but only 1 equation (Don't substitute in both equations.)
For me, I'd substitute x in -3x+2y=50
So the answer is x = -10, y = 13
i think it is c
im not sure