X - 2y = - 9
7x + 2y = 1
x - 2y = - 9
(+)
7x + 2y = 1
___________
8x = - 8
x = - 1
- 1 - 2y = - 9
2y = 8
y = 4
i am a mathematics teacher. if anything to ask please pm me
I think it is F. Because im just guessing.
Answer:
When x=8, y=-6. When x=10, y=0
Step-by-step explanation:
You can plug the given y value into the second equation to get:
Hope this helps!
If 7x+3=24, that means x would be 3 so if you take 5-4x then that would be -7.
Answer:
(0,-1)
Step-by-step explanation:
(0,-1) will work because when you plug them is it is equivalent to 4