8x+5=119+(7-3x) решите)))
8х + 5 = 119 + ( 7 - 3х )
8х + 5 = 126 - 3х
8х + 3х = 126 - 5
11х = 126 - 5
11х = 121
х = 121 : 11
х = 11
Проверка:
8 * 11 + 5 = 119 + ( 7 - 3 * 11)
88 + 5 = 119 + ( - 26 )
93 = 93