432/(x+17)=9 |•(х+17)
432= 9х+ 153
-9х= -432 + 153
-9х = -279
х=31
ответ 31
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432/(x+17)=9 |•(х+17)
432= 9х+ 153
-9х= -432 + 153
-9х = -279
х=31
ответ 31