Answered

X-Y =7
2X+5y=14

Yukarıdaki verilen denklem sistemini sağlayan "y" değeri aşağıdakilerden hangisidir?

A) 7. B) 4. C) 1 D) 0

Çözüm

Sagot :

LGSvar2007tayfarans

Cevap:

cevap D kolay gelsin.

Adım adım açıklama:

-2.(X-Y)=(-14)

-2X+2Y+2X+5Y=0

7Y=0

Y=0

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