Question

Cine rezolva primeste 100 puncte repede va rog!!!!!!Si rezolvati pe lung rog mult!!!!!

Answer 1

Am atasat rezolvarea

Answer 2

6.
a=x+4/x+2
a(x+2)/x+4
ax+2a/x+4
ax-x=4-2a
x(a-1)=2(2-a)
x=a-1/2(2-a)
cazul 1
a=2
x=a-1/2(2-a)
x=2-1/2(2-2)
x=2-1/4-4
x=0
cazul 2
a=3
x=a-1/2(2-a)
x=3-1/2(2-3)
x=2/2×(-1)
x=2/-2
x=-1
x=-1,x=0