решите уравнения: (24-x)+37=49                  

24-х= 49-37        214-7с=5460:42      328-8к=5400:25     11z-14=304:38     10z-68=2*6
24-х=12              214-7с=130              328-8к=216            11z-14=8              10z=68+12
х=24-12              7с=214-130              8к=328-216             11z=8+14             z=80:10
х=12                    7с=84                       8к=112                    11z=22                 z=8
                            с=84:7                       к=112:8                  z=22:11
                            с=12                          к=14                        z=2

24-х =12
х=24-12
х=12
это 1-ое