Решите уравненияномер 356

429+m=2106        348-k=154          (m+326)-569=674 m=2106-429         k=348-154           m+326=674+569 m=1677                k=194                   m+326=1243                                                           m=1243-326                                                           m=917 5084-(k-299)=568 k-299=5084-568 k-299=4516 k=299+4516 k=4815