Răspuns :
(3/4)/x+4/(2/3)=25/4
(3/4)/x+4×3/2=25/4
(3/4)/x+6=25/4
(3/4)/x+24/4=25/4
(3/4)/x=25/4-24/4
(3/4)/x=1/4
x=(3/4)/(1/4)
x=3/4×4
x=3
(3/4)/x+4/(2/3)=25/4
(3/4)/x+4×3/2=25/4
(3/4)/x+6=25/4
(3/4)/x+24/4=25/4
(3/4)/x=25/4-24/4
(3/4)/x=1/4
x=(3/4)/(1/4)
x=3/4×4
x=3