Treat this as if the inequality sign was the same thing as an equal sign. Most of the equality rules apply to inequalities (with a few exceptions)

Subtract both sides by 4


Multiply both sides by 2


We want the unknown variable on the left side (because it looks nicer)

Answer: One solution
Step-by-step explanation:
V=7/9
If you are talking about a graph:
The input would be the number of adult tickets.
The output would be the amount of money.
If you talking about it normally:
The input would be the amount of money.
The output would be the number of adult tickets.