3х=-12 ришитите пожалуста

Вот 1-й                                                       Вот 2-й                                       Вот 3-й

(37+46)-38=45                                           (37+46)-38=53                         (37+46)-58=25

1)37+46=83                                                1)  37+46=83                            1)37+46=83

2)83-38=45                                                 2)83-29=53                              2)83-58=25