ARATATI CA (3n+7;4n+9)=1<br />

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Clasă: Education Materie: matematica

ARATATI CA (3n+7;4n+9)=1

Întrebare a fost pusă de: USER5858

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USER7234

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daca e un numar(in acert caz 3) langa o litera(in acest caz b) intotdeauna e o inmultire adica unde nu e pus semnul (+ - : x) atunci intotdeauna e o inmultire (se pune semnul x).
3n+7=1
(il drecem pe 7 dincolo cu operatie inversa)
si va fi: 3n=7-1
   3n=6
(il trecem pe 3 dincolo cu operatie inversa)
si va fi: n=6:3
   n=2

Răspunsul a fost dat în data 26 Agustus 2025

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ARATATI CA (3n+7;4n+9)=1

Întrebare

Răspuns (30)

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