x,z,y = 20,15,-33
i think thats it im sorry
Answer:
I wouldn't classify it i would ignore it.
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
2
Step-by-step explanation:
because thats what I learned
Answer:
n=5
Step-by-step explanation:
7n-4 = 31
+4 +4
7n = 35
/7 /7
n=5