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determina numarul nat care verifica egalitatea 5+(x-13)-12=43

Răspuns :

Alexxia11
5+(x-13)-12=43
5+(x-13)=43+12
5+(x-13)=55
(x-13)=55-5
x-13=50
x=50+13
x=63
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Daeana2510
5+(x-13)-12=43
x-13=43+12-5
x-13=55-5
x-13=50
x=50+13
x=63

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