74·x - 1 - 74·x - 2 + 35·64·x - 2 = 64·x + 6·74·x - 3 + 64·x - 1
49·74·x - 3 - 7·74·x - 3 + 35·64·x - 2 = 36·64·x - 2 + 6·74·x - 3 + 6·64·x - 2
49·74·x - 3 - 7·74·x - 3 - 6·74·x - 3 = 36·64·x - 2 + 6·64·x - 2 - 35·64·x - 2
36·74·x - 3 = 7·64·x - 2
36·74·x - 3 = 42·64·x - 3
74·x - 3 / 64·x - 3 = 42 / 36
(7 / 6)4·x - 3 = 7 / 6
4·x - 3 = 1
4·x = 4
x = 1