Ответы и объяснения

2014-02-22T12:07:32+04:00
(32-m)*6-39=45
192 - 6m - 39 = 45
-6m = -192+39+45
-6m = -108
m=-18
ответ: - 18
2014-02-22T12:08:55+04:00
(32 - m)×6 - 39 = 45
198 - 6m - 39 = 45
-6m = 45 +39 - 198
-6m = -114
m = (-114) ÷ (-6) = 19