Answer:
It can't be an integer because it's not a whole number. Integers are whole numbers, either positive or negative.
n=23/10
Step-by-step explanation:
10(n+4)=63
n+4=63/10
n=63/10-4
decimal form: 2.3
y=2x
y2-y1/x2-x1
-7-5/-2-4
-12/-6
simplified to = 2
so y=2x
