130*х=67000-2000
130*х =65000
х=65000:130
х=500
Ответ: 500.
2) 9200-(х:60)=10000-2000
9200 - х:60=8000
х:60=9200-8000
х:60=1200
х=1200*60
х=72000
Ответ: 72000
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130*х=67000-2000
130*х =65000
х=65000:130
х=500
Ответ: 500.
2) 9200-(х:60)=10000-2000
9200 - х:60=8000
х:60=9200-8000
х:60=1200
х=1200*60
х=72000
Ответ: 72000