х*82=8054-674
82х=7380
х=7380/82=90
380+а=510
а=510-380
а=130
700-х=427
-х=427-700
-х=-273
х=273
х-256=514
х=514+256
х=770
24*х=480
24х=480
х=480/24
х=20
х/16=80
х=80*(-16)
х=-1280
910/х=13
х=-910/13
х=-70
х*82=8054-674
82х=7380
х=7380/82=90
380+а=510
а=510-380
а=130
700-х=427
-х=427-700
-х=-273
х=273
х-256=514
х=514+256
х=770
24*х=480
24х=480
х=480/24
х=20
х/16=80
х=80*(-16)
х=-1280
910/х=13
х=-910/13
х=-70