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Anna12334
a fost răspuns

Rezolvati in multimea N ecuatia : 56*(2x+1)=168

Răspuns :

Logyyy
112x+56=168
112x=168-56
112x=112
x=112/112 (/-pe) sau x=112:112  
x=1 x∈N
2x+1=168:56=>2x+1=3=>2x=2=>x=2:2=1

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