10 3/5 = 10 60/100 =10,6 0,5 = 1/2 1,25 = 1 1/4
1,32х + 4 = 10,6 7/12х - 1/2 = 1 1/4
1,32х = 10,6 - 4 7/12х = 1 1/4 + 1/2
1,32х = 6,6 7/12х = 1 3/4
х = 6,6 : 1,32 х = 1 3/4 : 7/12
х = 5 х = 7/4 * 12/7
х = 12/4
х = 3
5/6х - 4,15 = 2,1 2/7 + 2/9у = 4,3
5/6х = 2,1 + 4,15 2/9у = 4,3 - 2/7
5/6х = 6,25 2/9у = 43/10 - 2/7
х = 625/100 : 5/6 2/9у = 301/70 - 20/70 = 281/70
х = 625/100 * 6/5 у = 281/70 : 2/9
х = 375/50 у = 281/70 * 9/2
х = 7 25/50 = 7 1/2 у = 2529/140
х = 7,5 у = 18 9/140