Задача 12. Найдите корень уравнения \(-5 + 2x = -2x-3\)
Решение
\(-5 + 2x = -2x-3\,\,\,\,\,\, \Leftrightarrow \,\,\,\,\,\,2x + 2x = -3 + 5\,\,\,\,\,\, \Leftrightarrow \)
\( \Leftrightarrow \,\,\,\,\,\,4x = 2\,\,\,\,\,\, \Leftrightarrow \,\,\,\,\,\,x = \dfrac{2}{4}\,\,\,\,\,\, \Leftrightarrow \,\,\,\,\,\,x = 0,5.\)
Ответ: 0,5.