Answer:
1/4x - 4 = 3/4x - 15
-1/2x - 4 = -15
-1/2x = -11
x = 22
D theBjquququaauauauaua0
y = kx
6 = (k)(-7)
k = -6/7
y = -6/7 x
y = (-6/7)(4)
y = -24/7 = -3 3/7
Answer: y = -3 3/7
Hope this helps!