Question

i need help to solve 3x-18<-3 i need to find the answer in interval notation

Answer 1

3x<-3+18
3x<15
x<5
(- infinty , 5)

Answer 2

why infinity?

Answer 3

3x-18<-3
add 18 to both sides
3x<15
divide by 3
x<5
\[x \in (-\infty,5) \]

Answer 4

its not right i got that

Answer 5

negative infinty is less than 5 lol
ans is x less than 5

Answer 6

if x is a real no.,then the above solution.
if x is a natural no,then
\[x=\left\{ 1,2,3,4 \right\}\]
if x is an integer,then
\[x=\left\{ -\infty,....,0,1,2,3,4 \right\}\]

Answer 7

x can be any thing less than 5....4..3..2...1..-1 -2 ....-590......-67462464......upto - infinity