Cevaplar

2013-02-02T15:28:57+02:00

1-) 7-2x-8=5    x=-3

2-)x=10

3-)x=-14

1 5 1
2013-02-02T16:55:07+02:00

2-) 2x=19-4-10+15

=19-4-5

=19-9

=10

3-) x=-2-3.6+6

=-2-18+6

=-14

 

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