Solving a linear system by substitution Welcome to your Solving a linear system by substitution Solve the system by substitution \[-3x-3y=3\]\[y=-5x-17\] (4, 3) (-4, 3) (3, -4) Solve by substitution \[-5x-y=21\]\[-4x+y=6\] (-3, -6) (0, -3) No Solution Solve the system by substitution \[-2x-y=-9\]\[5x-2y=18\] (1, 4) (4, 1) (-5, 1) Solve the system of linear equations \[-3x-3y=-15\]\[x+3y=1\] No Solution (7, 6) (7, -2) Time's up