Answer:
0, 5/4
Step-by-step explanation:
If , you get 0=0, which is obviously true.
As long as K is not 0, you can divide by k and get which is solved by
1: 3z+5
2: 50+20x
3: (15y+18)-4
4: 12a+8
56
I got this wrong but this is the answer