Question

ex trei va rog mult ajutatima

Answer 1

[(2x-10)*6+5]:8=22
[(2x-10)*6+5]=176
(2x-10)*6=171
2x-10=28.5
2x=38.5
x=19.25
Vf. [(19.25*2-10)*6+5]:8=[(38.5-10)*6+5]:8=(28.5*6+5):8=(171+5):8=176:8=22