Solving with systems by substitution, solve 2x-3x=24 and x+6y=18

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

4+(2+x) can you me solve this problem