Select all equations that can result from adding these two equations or subtracting one from the other.
x+y=12
3x - 5y = 4
A:
-2x - 4y=8
B:
-2x + 6y=8
c
4x – 4y = 16
D:
4x + 4y = 16
E:
2x - 6y=-8
F:
5x – 4y = 28

the correct option is b

step-by-step explanation:

the answer is d

hope this

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant