Answer:

Step-by-step explanation:






Answer:
1
Step-by-step explanation:
the way to solve is just too look at the bigger picture. -4+5 is another way to write it. This would simply to 5-4, which is 1.
ℍ
Answer: Points (-1 , 7.5), (0 , 6), and (1 , 4.5).
Step-by-step explanation:
Answer:
Step-by-step explanation:
3x+y=2............(1)
4y=12-12x........(2)
Making y as subject in (1) and substitute in (2)
y = 2 - 3x......(3)
4(2 - 3x) = 12-12x
8 - 12x = 12 - 12x
12x - 12x = 12- 8
0 = 4
So no solution since variable cancelled out