Question

If x ∈{-4,-2,0,2,4,6] then the solution set of 3x - 3 ≤ 9 is​

Answer 1

Step-by-step explanation:

if x=-4

3*-4 - 3 = -12-3=-15 <9

x= -2

-6 - 3= -9 < 9

x=0

-3 <9

x= 2

6-3=3<9

x= 4

12-3=9, is equal to9

now, x=6

18-3=15 >9

so solutions is{-15, -9, -3, 3, 9}