Question

помогите номер 3 и 4 пожалуйста

Answer 1

             №3
А) х + 118 = 245                            Б) 157 - а = 89
х = 245 - 118                                  - а = 89 - 157
х = 127                                           - а =  - 68
                                                       а = 68
В) у - 26 = 93
у = 96 + 26
у = 122
                 №4
А) 42 * х = 546                                Б) а : 17 = 15
х = 546 : 42                                      а = 15 * 17
х = 13                                               а = 255

В) 54 : с = 3
с = 54 : 3
с = 18