Y =- 5x 1 y 3x 2 July 8, 2019 16 32 64 128 Y =- 5x 1 y 3x 2 is 3 8 a solution of the system 5x y =- 1 3x 2y 5 Begin aligned &y 5x 1 &y 3x 2 end aligned 1 5x y 9 5 1 3x y 2 14 Y 1 3x 2 y =- 3x 2 5x 4 28 1 /( 5x y 9 5 1 /( 3x y 2 14 Y = 2x + 5 5) y = 1 - 3x и y = - x - 1
