1) к общ.знаменателю:


x=2" alt="
x=2" align="absmiddle" class="latex-formula">
2)

к общему знаменателю




3)x-x/3=1
к общ.знаменателю
(3x-x)/3=3/3
x=9/6=1,5
4)x/5-x/8=3
к общ.знам.
(8x-5x)/40=120/40
3x/40=120/40
x=40*120/3*40
x=40
5) x-x/8=1-2\6
к общ.знам.
(24x-3x)/24=(24-8)/24
21x/24=16/24
x=24*16/24*21
x=16/21
6) 2x-x=3/5-2/3
x=-1/15