Question

40. 1) [2(x - 2y) = x - 8y,
3) (15+2(x + 3y) = 3(4x +y),
7 5(x + y) = 2(x - y) +10; 12(5x - y) – 3y = 2 +3(2x - y);
2) [3(x + 4y) - 4x = 2 (2x+y), 4) (5(7x +2y) - 11y = 6(2x + y) +2,
17(x - 5y) + 6x = 3(x + 4y) +27; 33 +3(6x - 5y) = 3(x + 2y) - 5y.
197помогите пжжж 30 баллов ставлю​