Răspunsuri

2014-04-02T17:15:51+03:00
2x+m=4x+3 are solutia -2
2*-2+m=4*-2+3
-4+m=-8+3
m=-8+3+4
m=-1

2014-04-02T17:16:50+03:00
X=-2=> 2*(-2)+m=4*(-2)+3=>-4+m=-8+3=> -4+m=-5=>m=-5+4=-1