Pictures 5Х 9Х

< Previous picture
Picture - 18
Next picture >
5х 9х. (10 2/5+Х) :1 1/7=9 1/3. 2х=3(2х+1)+5. 7х-5 2х+1 5х+15. 3х-2у 5 5х+4у 1.
(10 2/5+Х) :1 1/7=9 1/3. 2х=3(2х+1)+5. 7х-5 2х+1 5х+15. 3х-2у 5 5х+4у 1.