Найти точку пересечения прямой и плоскости

1x + 2·y + 3·z – 14 = 0
2x + 2·y – 5·z + 20 = 0
3x – 3·y + 7·z – 24 = 0
4xy + 4·z = 0
5x + y – 5·z – 12 = 0
6x + 3·y – 5·z + 9 = 0
7x - 2·y + 5·z + 17 = 0
8x - 2·y + 4·z – 19 = 0
9x - y + 3·z + 23 = 0
10x – 3·y – 5·z – 7 = 0
11x + 2·y - z - 11 = 0
12x - 2·y – 4·z – 8 = 0
13x + 2·y - z – 2 = 0
14x - y + 4·z + 3 = 0
15x + 3·y + 5·z - 42 = 0
16x + y + 4·z – 47 = 0
17x + 3·y + 7·z – 52 = 0
18x + 4·y + 7·z – 16 = 0
19x – 5·y + 4·z + 24 = 0
20x – 2·y – 3·z + 18 = 0
21x + 7·y + 3·z + 11 = 0
22x + 7·y – 5·z – 11 = 0
23x + y – 6·z – 5 = 0
24x + 4·y + 13·z – 23 = 0
25x – 2·y + 5·z – 3 = 0
26x - y + 4·z = 0
27x + 2·y – 5·z + 16 = 0
28x – 7·y – 2·z + 7 = 0
29x + 7·y + 9·z – 32 = 0
30x + y + 7·z – 3 = 0