Y= 3x + 3
y = x − 1
explain how you will solve the pair of equations by substitution. show all the steps and write the solution in (x, y) form.
i would like an expert answer
and explain how it is done step by step

When y’all answer can y’all explain too !

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)