(x+2)/3=1
x+2=3
x=3-2
x=1
(x-1) /2=7/2
x-1=7
x=7+1
x=8
punctual c nu este complet
(x-2)/3=7/2
2(x-2)=7*3
2x-4 =21
2x=21+4
2x=25
x=25/2
11/4+x=13/4
11*4=13(4+x)
44=52+13x
44-52=13x
-8=13x
x=-8/12 (cred ca nu este enuntul correct)
5/6-x=1/6
5*6=6-x
30=6-x
30-6=-x
24=-x
x=-24
1/2+x=7/2
1*2=7(2+x)
2=14+7x
7x=2-14
7x=-12
x=-12/7
4/5-x=3/5
4*5=3(5-x)
20 =15-3x
20-15=-3x
5=-3x
x=-3/5