2x 3y 8 x 4y =- 7 July 8, 2019 16 32 64 128 Решите систему уравнений 2x 3y =- 8 x 4y 7 2x 3y 8 0 x 4y 7 0 2x 3y 8 0 x 4y 7 0 by substitution method 9 2x 3y 8 0 x 4y 7 0 2x 3y থেকে 8x 4y 7