75x + 30 = 330
75x = 330 - 30
75x = 300
x = 300/75
x = 4
Ответ:
х=4
Пошаговое объяснение:
75х+30=330
75х=330-30
75х=300
х=300:75
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75x + 30 = 330
75x = 330 - 30
75x = 300
x = 300/75
x = 4
Ответ:
х=4
Пошаговое объяснение:
75х+30=330
75х=330-30
75х=300
х=300:75
х=4