Stabiliti daca ecuatiile:
a)x=3 si 5x=15
b)x=1 si 6x+6=0
c)-3x+2x=4 si 2(x+4)=0
d)1/5x-2=0 si 2x+2x=40
e)√3=-x Si 2x+2√3=0
f)/x/=4 si 2x=8
g)x^2=9 si x=-3