For each systems of equations below, choose the best method for solving and solve. Show your work. a. 3x+y=24 -x-y=-10 b. y=-x-6 x+3y=-18 Continue on the following page. c. y=-2x+17 y=8-x d. y=x-7 y=x+7 Continue on the following page. e. y+2x=2 y=-4x+10 f. x+2y=-4 -4x-3y=16