How would I set these up to find the values of the variables? I know that I need to set them equal to each other but I don't know how.

Question 5 spring semester final exam math evaluate

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

Determine domain and range, largest open interval, and intervals which function is continuous.