Răspunsuri

2014-06-11T17:30:53+03:00
2x+1=-7, 2x=-8,x=-4
3x-1=-13 3x=-12,x=-4
2x+15=5,2x=-10,x=-5
2x+10=0,2x=-10,x=-5
3x+24=0,3x=-24,x=-8
-2x+1=-7,-2x=-8,2x=8,x=4
-3x+1=-14,-3x=-15,3x=15,x=5
-5x+1=1,-5x=0,x=0