Răspuns:
2x:6-1/2:6=1/2
2x•1/6-1/2•1/6=1/2
x/3-1/12=1/2
x/3=1/2+1/12 (amplific pe 1/2 cu 6)
x/3=6/12+1/12
x/3=7/12
x•12=7•3
x=21/12 (simplific cu 3)
x=7/4
Explicație pas cu pas:
Proba:
(2•7/4-1/2):6= 1/2
(7/2-1/2):6=1/2
6/2:6=1/2
6/2•1/6= 1/2
1/2=1/2
