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3 soruya da bakabilir misiniz

3 Soruya Da Bakabilir Misiniz class=

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Lightthedarkrans

Adım adım açıklama:

2/(a+3). + 9b =4

4/(a+3). +6b=4

4/(a+3). +18b=8

12/(a+3). +18b=12

8/(a+3)=4 ,a+3=2 a=-1 Cevap:D

2x+9y=62

5x-2y=78

7x+7y=140

X+y=20.

2/x - 3/y=2. 3/x - 1/y=1

-9/x +3/y=-3

-7/x=-1

X=7. Cevap D

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