2y x 3 4 (- y 1 July 8, 2019 16 32 64 128 X 2y =- 8 x 4 y 2 3 =- 1 Solve for y 2y x 3 4 (- y 1 3 x 4 y 10 2x 2y 2 3 x 4 y 10 2 x 2y 2 substitution method 3 x + 4 y = 10 and 2x - 2y = 2 If 3 2x 2y x 4 y 2 1 Solve 3 x 4 y 10 2 x 2y 2 2x + 3y