Question

2x\3-0,2(x+1)=0,(3)orix rezulta x=??

Answer 1

0,2=2/10 simplificam cu 2=1/5
0,(3)=3/9 simplificam cu 3=1/3
2x/3-1/5(x+1)=x/3
2x/3-(x+1)/5-x/3=0
2x/3-x/5-1/5-x/3=0
aducem la acelasi numitor
10x/15-3x/15-3/15-5x/15=0
2x/15=3/15   
x=3·15/2·15
c=3/2