Решите уравнения: а) 3х+5х+96=1568 б) 357z-149z-1843=11469 Заранее спасибо*)))

3Х+5Х+96=1568                                      357z-149z-1843=11469 8Х=1568-96                                             208z=11469+1843    8Х=1472                                                   208z=13312 Х= 1472делим8                                       z= 13312делим208  Х=184                                                     z=64

а) 3х+5х+96=1 568 3х+5х=1 568-96 8х=1 472 х=1 472:8 х=184   б) 357z-149z-1 843=11 469 357z-149z=11 469+1 843 208z=2 989 z=13 312:208 z=64