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Solve the system by graphing

and solve the system of equation using the substitutionmethod

70 Chapter 4, 12.2, 12.3 Exam C Show your work, unsupported answers will not receive full credit. State your answers as exact directed to do otherwise Circle your answers. Turn off your cell phone. (-x+y=2 6. Solve the system of equations using the substitution method 6x – 4y = 21 - y {-x+y=2 {6x-4y= 22-4 sa=y=2 {GX-4y + y = 21 1-2 ty=2) n-y=2 -4y= 21-y "intu-71 rwise Circle your answers. ceive full credit unless 1. Name Solve the system by graphing (2x - 5y = 40 3x + 5y =-15 (10)