Решите уравнения 6х+8х-7х=714 23х-19х+5х=1827 11х-6х+17=2042 5х+3х-47 = 6401
1)23х-19х+5х=1827 9х=1827 х=1827/9 х=203 2)11х-6х+17=2024 11х-6х=-17+2024 5х=2007 х=401.4 3)5х+3х-47=6401 5х+3х=6401+47 8х=6448 х=806 4)6х+8х-7х=714 7х=714 х=102
6х+8х-7х=714 14х-7х=714 7х=714 х=714:7 х=102