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Aflati numarul x daca :2 x + x × a + x × b = 32 si a +b =6

Răspuns :

Dam x factor comun: x(2+a+b)=32; X(2+6)=32; 8x=32=>x=4
x(2+a+b)=32
x(2+6)=32
8x=32=>x=32/8=4