Решите уравнения: а) 11х-4х-49=49 б) 48: (2х+4)=4 - вопрос №1144949482444349937 от lavelas2008 04.04.2020 20:36

Question

Математика: Решите уравнения: а) 11х-4х-49=49 б) 48: (2х+4)=4

lavelas2008 · Answer

7х = 49 + 49                    24 х + 12 = 47х = 98                            24 х = 4 - 12х = 98 : 7 = 14                 24 х = -8                                         х = -8 : 24                                        х = -  8                                                                                                                                24...