Ma gandesc la un numar si-l adun cu 5.Rezultatul obtinut il inmultesc cu 7. Am obtinut 63. La ce numar m-am gandit?

Răspunsul a fost dat de: USER1922
31 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Ma gandesc la un numar si-l adun cu 5.Rezultatul obtinut il inmultesc cu 7. Am obtinut 63. La ce numar m-am gandit?
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Cel mai bun răspuns
(82)
( x + 5) x 7 = 63 
x + 5 = 63 : 7
x + 5 = 9 
x = 9 - 5 
x = 4 
Răspunsul a fost dat în data 31 Agustus 2025
(70)
(a + 5) * 7 = 63  | :7
 a + 5 = 9          | - 5
      a = 4
Răspunsul a fost dat în data 31 Agustus 2025

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