1440. 1) 2(x-2y) = 3-8y. 3) 15=2(x+3y) =3(42 + y),
5(x + y) = 2 ( x - y) +10;
2 (5x - y) – 3y = 2+3(2x - y);
2) 3(x+4y) - 4x = 2 (2x + y),
4) 5(7x+2y) - 11y = 6 (2x + y) +2,
7(3-5y) + 6x = 3(x + 4y) + 27;
33-3(6x-5y) = 3(x+2y) -5y.
197​

rootiopa2    2   12.05.2021 09:04    1