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Buna ! As vrea sa-mi rezolvati si mie ecuatia:
2 x a + 5 x b + 6 x c = 50


Răspuns :

2 ori a + 5 ori b + 6 ori c = 50
2a+5b+6c=50
2a=50-5b-6c
a= 25 - [tex] \frac{5}{2} [/tex] b - 3c
a= 25 - [tex] \frac{5}{2} [/tex] b - 3c , b ∈ R, c ∈ R