Water evaporates at a rate of 1.5 ounces per day from a container that holds 34 ounces when full. Which expression best represents the amount of water remaining in the container after d days.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)