(16-9х)-(9х-5)=11
16-9х-9х+5=11
-18х=11-16-5
-18х=-10/:(-18)
х=5/9
9 целых 4 /18:12 целых 3\4= 332/459
?-Δ<em></em> (100 %)............................
2/х = 27/108
2 * 108 = 27х
216 = 27х
х = 216 / 27
х = 8
х : 2/3 = 3 3/8 : 3
3х = 2/3 * 3 3/8
3х = 2 1/4
х = 2 1/4 : 3
х = 3/4
2 1/3к = 4 1/2 * 1 1/9
2 1/3к = 5
к = 5 : 2 1/3
к = 2 1/7
<span>y : 4/5 = 3 1/9 : 4/9
</span>у * 4/9 = 3 1/9 * 4/5
4/9у = 2 22/45
у = 2 22/45 : 4/9
у = 5 3/5