a) 3(2x-3)=3x-2
6x-9=3x-2
6x-3x=-2+9
3x=7 => x=7/3
b) 3(3x-7)=5(2x-6)
9x-21=10x-30
-21+30=10x-9x
9=x => x=9
c)2intregi și 1/3 *x= 1/2*0,(6)
7x/3 = 1/2 * 6/9
7x/3= 1/3
7x*3=3*1
21x=3 => x=3/21=1/7
d) 5(2-1/2)= 6x
5(4/2-1/2)=6x
5(3/2)=6x
15/2=6x
6x*2=15
36x=15 => x=15/36=5/12
Sper ca te am ajutat!
