Answer:
43 and 54
Step-by-step explanation:
i am very good at these problems
You can't do that. There is no answer
n=10
5n-20=3n
-20=-2n
10=n
X=-5 or X=1
f(x)=(x+5)(x-1)
(x+5)(x-1)=0
x=-5 orx=1
