Hello there,
The correct answer is C
Here's why,
-9(-8/7)+4y=8 is -4/7
and
-3(-8/7)-y=4 is -4/7
Hope this helps!
Answer:
Multiple the first equation by -1
Step-by-step explanation:
After doing this you add the two equations together and follow the systems of equations as normal

Therefore y = 2
X+y=4 y=3x
x+3x=4
4x=4
divide both sides by 4
x=1
Is there picture cause I cant draw it but ik how to do scattered plots