(32-т)·6-39=45
(32-т)·6=45+39
(32-т)·6=84
32-т=84:6
32-т=14
т=32-14
т=18
(32-18)·6-39=45
b:8=27213+35857
b:8=63070
b=63070·8
b=504560
504560:8=27213+35857
63070=63070
c·407=1000-186
c·407=814
c=814:407
c=2
2·407=1000-186
814=814
5·n=526130-21630
5·n=504500
n=504500:5
n=100900
5·100900=526130-21630
504500=504500
350·(x-77)=37100
x-77=37100:350
x-77=106
x=106+77
x=183
350·(183-77)=37100