Cevaplar

2013-02-01T16:52:54+02:00

 5x + 9 = 3x + 25 

 

     4( x + 2) = -20
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2013-02-01T16:53:10+02:00

2x+2=16 ise x=?

 2x=14

x=7 bulunur

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