5- 2 7/8

Someone answer me that please.

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)

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Complete the equation of the live through (-1,6) (7,-2)