Question

8-(x-2017)+(2x-301)=2017-301+5

Answer 1

8-(x-2017)+(2x-301)=2017-301+5

=>8-x+2017+2x-301=2017-301+5

=>8-x+2x=2017-2017-301+301+5

=>8-x+2x=5

=>-x+2x=8-5

=>x=3

vậy x=3

Answer 2

8-x+2017+2x-301=2017-301+5

-x+2x=2017-301+5-8-2017+301

-3x=-3

x=-3:-3

x=1

sai thì thôi nha