Решите уравнения : 7,14х+17,86х = 38 199,29х-119,29х=72

7,14х+17,86х = 3825х=38х=38:25х=1,52Проверка7,14* 1,52+17,86*1,52 = 3810,8528+27,1472=3838=382)199,29х-119,29х=72 80х=72х=72:80х=0,9Проверка199,29* 0,9-119,29*0,9=72 179,361-107,361=7272=72