Question

[Nguyễn Hữu Hiếu]

a)2x-3/4-4x-5/3=5-x/6

b)3(x-1^2)=16

c)(x+7)(x-4)=2(x-4)

d)4x^2-3x-1=0

Answer 1

[2611]

`a)[2x-3]/4-[4x-5]/3=[5-x]/6`

`<=>3(2x-3)-4(4x-5)=2(5-x)`

`<=>6x-9-16x+20=10-2x`

`<=>8x=1`

`<=>x=1/8`

(`b->c` mk đã làm r).