1. -3
2. 3
3. 12
4. 0.5
5. 0
6. All real numbers
Hello there!

Add 5x to both sides:

Add 14 to both sides:

Now divide both sides by 8:

In our last step, we will simplify 16/8:

Hope this helps!

Answer: It is the area of the base
Step-by-step explanation:
"B" represents the area of the base so if the base is a square than a capital "B" means to find the area of the base (square). To find the area of a square it would be length x width.