Question

Помогите! Нужно решить. :)
1) 4 (2y - 3) = (3y-8)
2) 6 (z+3) = 2 (2z+5)
3) 5 (1-3u) = 20
4) 3 (5-3x) = 6 (x+5)
5) 3 (2y-1) = 9
6) 2 (2z+5) = 3 (5z-4)
7) 6 (3-2v) = 42
8) 5 (s+9) = 3 (3s+19)
9) 15 (2x-3) = 3 (8x-7)