Răspunsuri

2014-08-19T14:50:58+03:00
Raspunsul corect este: c) 7x+2=0 
cum ai calculat te rog?
7x+2=0
7x=0-2
7x=-2
x=-2/7(-2 supra 7) :)
2014-08-19T15:05:55+03:00