Answer: A
Step-by-step explanation:
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:

Step-by-step explanation:

We have:
<em> subtract 7a from both sides</em>

<em>add 3 to both sides</em>
