What times what gives you -90 but adds to get 89

What is the slope of the line that contains the points (-2,1) and (0,-3)

Me n o w. i need t h i s. 10 points

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)