Prensesyaren000rans
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Yardımcı olurmusunuz?
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Yardımcı Olurmusunuz class=

Sagot :

Romeosuzjuliet5rans

Adım adım açıklama:

20) 3x-7x=12

-4x=12

x=-3

21) 5-x=7

5-7=-2

x=-2

22)3x+9=15

15-9=6

3x=6

x=2

23)4x-7=25

25+7=32

4x=32

x=8

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