Hello there
36+4=40 people in one bus
In 6 buses how many people?
40•6=240 people are going on the field trip
:D
3x+12=39
Minors 12 on both side
3x=27
Divide 3 on both side
X=9
Answer:

Step-by-step explanation:
THIS is the answer if the equation looks like this. 
It will be a horizontal line at y=7 and shaded above. If you have pictures of the graph I can show which one it would be.