Answer:

Step-by-step explanation:
This equation can simply be solved by adding 15 to both sides.
To graph, draw a closed point at the center of the line and darken the area to the right of it.
Answer:
The choice three ;

Step-by-step explanation:

Answer:
We can't graph on this app but this is what I can give you.
Step-by-step explanation:
The 5+2 part automatically makes 7, obviously, meaning that x and y each would have to at least represent 2 for this equation to be true.
Answer:
D. -14
Step-by-step explanation: