Ответ:
х+28=2х+118-6х
х+28=-4х+118
х+4х=118-28
5х=118-28
5х=90
х=18
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Ответ:
х+28=2х+118-6х
х+28=-4х+118
х+4х=118-28
5х=118-28
5х=90
х=18