Question

solve and write interval notation for the solution set for: -1<3x-5≤8

Answer 1

first, adds 5. get
-1<3x-5≤8
-1+5<3x-5+5≤8+5
4 < 3x ≤ 13

then divided by 3, what do you get ....

Answer 2

do i divide 3 to both 4 and 13?

Answer 3

yes, all side must be divided by 3

Answer 4

ok so i get ..... 1.333 and 4.3333
Correct?

Answer 5

yes, that's right. or you can write it as just a fraction :)
4/3 < x ≤ 13/3

Answer 6

awesome is the the interval notation form?

Answer 7

actually, it is like this :
(4/3 < x ≤ 13/3]

Answer 8

ok thanks :) you really helped me out, i appreciate it

Answer 9

you're welcome