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Cina1
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determina nr nr care verifica egalitatea 5×(X-13)-12 =43

Răspuns :

Gabriela68dobre
5×(x-13)-12=43/+12
5×(x-13)=55
x-13=55/:5
x-13=11/+13
x=24
BitBit
5x(X-13)=43+12=
5x(X-13)=55
(X-13)=55:5
X-13=11
X=11+13
X=24

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