Y 3x 1 y 5x 3 July 8, 2019 16 32 64 128 Y 3x 1 3y 5x 11 Y =- 5x 1 y 3x 2 is 3 8 a solution of the system Y 1 3x 2 y =- 3x 2 5x 4 3x y =- 1 5x 3y =- 4 5) y = 1 - 3x и y = - x - 1
