1) 2,48х+3,52х = 1,26
6х = 1,26
х = 1,26/6
х = 0,21
2) 4,63х+3,37х = 1,92
8х = 1,92
х = 1,92/8
х = 0,24
2,48х+3,52х=1,26
6х=1,26
х=1,26:6
х=0,21
Проверка:
2,48·0,21+3,52·0,21=1,26
0,5208+0,7392=1,26
1,26=1,26
4,63х+3,37х=1,92
8х=1,92
х=1,92:8
х=0,24
Проверка:
4,63·0,24+3,37·0,24=1,92
1,1112+0,8088=1,92
1,92=1,92