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[(58*a-80)\25]*64=1280
va rog ajutati-ma


Răspuns :

[(58×a-80)/25]=1280:64
(58×a-80)/25=20
58×a-80=20×25
58×a-80=500
58×a=500+80
58×a=580
a=580:58
a= 10
58a-80=25x1280:64
58a=25x20 + 80=580
a=580/58 = 10
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Succes in continuare!