(209+(320*х-411))*100=43800
Плиииииииз
х=2
Как получил:
43800:100-209+411:320
209+(320*х-411)=43800:100
209+(320*х-411)=438
320*х-411=438-209
320*х-411=229
320*х=229=411
320*х=640
х=640:320
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Answers & Comments
х=2
Как получил:
43800:100-209+411:320
209+(320*х-411)=43800:100
209+(320*х-411)=438
320*х-411=438-209
320*х-411=229
320*х=229=411
320*х=640
х=640:320
х=2