решите уравнение
(500-х)*6=120
500-х=120:6
500-х=20
х=500-20
х=480
(500-Х)*6=120
3000-6Х=120
6Х=3000-120
6Х=2880
Х=2880/6
Х=480
(500-480)*6=120
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(500-х)*6=120
500-х=120:6
500-х=20
х=500-20
х=480
(500-Х)*6=120
3000-6Х=120
6Х=3000-120
6Х=2880
Х=2880/6
Х=480
(500-480)*6=120