ГДЗ по алгебре 7 класс Макарычев ФГОС Задание 1201

\[\boxed{\text{1201.}\text{\ }еуроки - ответы\ на\ пятёрку}\]

\[\textbf{а)}\ |x - 3| = 7\]

\[x - 3 = 7\]

\[x = 10\]

\[x - 3 = - 7\]

\[x = - 4\]

\[Ответ:x = 10;\ x = - 4.\]

\[\textbf{б)}\ |x + 2| = 9\]

\[x + 2 = 9\]

\[x = 7\]

\[x + 2 = - 9\]

\[x = - 11\]

\[Ответ:\ x = - 11;x = 7.\]

\[\textbf{в)}\ |4 - x| = 1,5\]

\[4 - x = 1,5\]

\[x = 2,5\]

\[4 - x = - 1,5\]

\[x = 5,5\]

\[Ответ:x = 5,5;x = 2,5.\]

\[\textbf{г)}\ |6 - x| = 7,3\]

\[6 - x = 7,3\]

\[x = - 1,3\]

\[6 - x = - 7,3\]

\[x = 13,3\]

\[Ответ:x = 13,3;\ x = - 1,3.\]