Răspunsuri

2014-11-02T09:49:46+02:00
7x+14-3x+12-x=2x+10+46
7x-3x-x-2x=10+46-14-12
x=30
8x+8-4x+12-x=2x+36
8x-4x-2x=36-8-12
2x=16
x=16/2
x=8
2014-11-02T09:53:09+02:00
7x+14-3x+12-x=2x+10+46«=»7x-3x-x-2x=10+46-14-12«=»1x=40«=»x=40