Cevaplar

En İyi Cevap!
2013-01-01T19:01:06+02:00

3x-20+x=180

4x=200 

x=50 

7 4 7
2013-01-01T19:03:07+02:00

açılara x dersek denklemi  x+3x-20=180

                                                4x-20=180

                                                4x=200 ise x=50 derecedir cevap a şıkkı

2 3 2