4/3x=16/9
4x/3=16/9
9×4x=16×3
36x=48
x=48/36 se simplifica cu 6=8/6 se simplifica cu 2=4/3
4/3x=28/9
4x/3=28/9
4x×9=3×28
4x=3×28/9 (3si 9 se simplifica)
4x=28/3
x=28/3÷4
x=28/3×1/4
x=28/12 se simplifica cu 2= 14/6 se simplifica cu 2= 7/3
7/5x= 3intregi si 4/15
7x/5= 3×15+4/15
7x/5=49/15
7x× 15=49×5
7×=49×5/15 (5 cu 15 se simplifica)
7x=49/3
x=49/3÷7
x=49/3×1/7 (49 cu 7 se simplifica)
x=7/3×1
x=7/3