Question

va rog frumos ajutati-ma.dau 30 de puncte​

Answer 1

X=nr
[(2x-10)•1/6+3,5]:8=20•1/4
(2x-10)•1/6+3,5=81/4•8
(2x-10)•1/6+35/10=162
(2x-10)•1/6=1620/10-35/10
(2x-10)•1/6=1585/10
2x-10=1585/10:1/6
2x-10=(1585•6)/10
2x-10=317•3
2x=951+10
2x=961
x=961/2

Sper că te-am ajutat!