Answer:
1.6/x
x = 0
2.7 a - 2 b
y = 0
3.7 nx + 11n - 2 mx - m
m = 0 , n = 0
4.20y + 3× / xy
x = 0 , y = 0
Step-by-step explanation:
sorry po ito lng po sagot ko wc
