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Автор - svatavavilova

решите пожалуйсто:
а)45,7икс+0,3икс-2,4=89,6.

б)80,1икс-10,1икс+4,7=81,7.

Ответ

Автор - nastyuli4ka
а)45,7х+0.3х-2,4=89,6           б)80,1х-10,1х+4,7=81,7
46х=89,6+2,4                          70х=81,7-4,7
46х=92                                  70х=77
х=92:46                                  х=77:70
х=2                                         х=1,1

Ответ

Автор - leenadrabinko
46х-2,4=89,6
46х=89,6+2,4
46х=92
х=92:46
х=2

70х+4,7=81,7
70х=81,7-4,7
70х=77
х=77:70
х=1,1

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