Question

[Trần Anh Vân]

Tìm x€ z

A, 4.(x-1)-3.(x-2)=-|-5|

B, -4.(x+1)+8.(x-3)=24

C, 12.(x-4)+6.(x-2)-16.(x+3)=7.|-4|

D, 3.|x-6|+7x-2=|x-6|+7x

E, |x+2|-6.(x-4)=20-6x

Answer 1

[Nguyễn Lê Phước Thịnh]

a: =>4x-4-3x+6=-5

=>x+2=-5

=>x=-7

b: =>\(-4x-4+8x-24=24\)

=>4x-28=24

=>4x=52

=>x=13

c: \(\Leftrightarrow12x-48+6x-12-16x-48=7\cdot4=28\)

=>2x-108=28

=>2x=136

=>x=68

d: =>2|x-6|=2

=>|x-6|=1

=>x=7 hoặc x=5

e: =>|x+2|=20-6x+6x-24=-4(loại)