Question

e.-2/3-1/3(2x-5)=3/2

f.2 l1/2x-1/3l-3/2=1/4

Answer 1

e: =>1/3(2x-5)=-2/3-3/2=-13/6

=>2x-5=-13/2

=>2x=-3/2

hay x=-3/4

f: =>2|1/2x-1/3|=1/4+3/2=1/4+6/4=7/4

=>|1/2x-1/3|=7/8

=>1/2x-1/3=7/8 hoặc 1/2x-1/3=-7/8

=>1/2x=29/24 hoặc 1/2x=-13/24

=>x=29/12 hoặc x=-13/12