Решить уравнения а)19X-0,18=19,01. Б)2,27-2x=0,09. В)5,08+12x=29,74

а)19Х-0,18=19,01              б)2,27-2Х=0,09   19Х=19,01+0,18               2Х=2,27-0,09    19Х=19,19                       2Х=2,18     Х=19,19:19                     Х=2,18:2    Х=1,01                           Х=1,09     Проверка                       Проверка    19*1.01-0,18=19,01         2,27-2*1,09=0,09в)5,08+12Х=29,74  12Х=29,74-5,08  12Х=24,66  Х=24,66:12  Х=2,055  Проверка  5,08+12*2,055=29,74