Given:
First, let's move the -1 to the right side. When we add , we get .
Now we can cross multiply, multiply (3n)(8) and (7)(9)
Simplify the left side.
Simplify the right side.
Divide both sides by 24 to isolate n.
Simplify.
Answer:
The rate is 5
Step-by-step explanation:
The answer to the system of equations is 4, -4
7250.66