Substitution:
Y = 6x
2x + 3y = -20

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room

Interpret the following expression (5y^2-7)^3/(2y)^2