2x y 2 4x 3y 1 July 8, 2019 16 32 64 128 2x 3y 13 4x y =- 2 2x 3y 13 4x y =- 2 simultaneous equations 2 2x y 7 4x 3y 1 0 4x y 2 3y 2x =- 1 substitution Y 2 4x 12 2x 3y 10 4x 3y 11 2x y =- 2 2x 3y 15 4x y =- 2 2x 3y 12 4x y 2 4x 3y 2 2x y 3 1 2 2x 3y 17 4x y 13
