Answer:

Step-by-step explanation:
Hello,
let s assume that m+n is different from 0
we have this equation and we need to find m as a function of t, s, and n

<=>

for t-s different from 0, so t different from s
hope this helps
Answer:
yes
Step-by-step explanation:
Answer:
y-4=0
Step-by-step explanation:
its the only that doesn't have a x?