3x 2y 12 5x 2y 4 July 8, 2019 16 32 64 128 3x 2y 12 5x 2y 4 substitution method 3x 2y 12 5x 2y 4 elimination method 3x 2y 12 5x 2y 4 solve graphically 3x 2y =- 12 5x 4y 2 Solve 3x 2y 12 5x 2y 4 3x + 2y = 6
