Решение уравнения.
345 - x + 25 = 45 < = > - x = 45 - 25 - 345 < = > - x = - 325 < = > x = 325" alt="(345 - x) + 25 = 45 < = > 345 - x + 25 = 45 < = > - x = 45 - 25 - 345 < = > - x = - 325 < = > x = 325" align="absmiddle" class="latex-formula">
Ответ: