Answer:
See below
Step-by-step explanation:
This is just the same as n≤5, which would look like the attached number line.
1800
15x12x10= 120x 15= 1800
x=30
6x+4x-6=24+9x
combine like terms
10x-6=24+9x
add 6 on both sides
10x=30+9x
subtract 9x on both sides
Hope this helps! :)