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(a,b,c )i.p.(2,3,4 ) daca 2a+3b-5c=26

Răspuns :

Renatemambouko
2a=3b=4c    b=2a/3  c=2a/4=a/2
2a+3b-5c=26
2a+3×2a/3-5×a/2=26
2a+2a-5a/2=26
4a-5a/2=26
8a-5a=52
3a=52
a=52/3
b=2a/3=2/3 × 52/3 =104/9
c=52/3 ×1/2=52/6=26/3


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