2 câu trả lời
`x.2-2= x:2+4`
`=>2x-2=x:2+8:2`
`=>2(2x-2):2=(x+8):2`
`=>2(2x-2)=x+8`
`=>4x-4=x+8`
`=>4x-x=8+4`
`=>3x=12`
`=>x=12:3`
`=>x=4`
Vậy `x=4`
`x. 2 - 2 = x : 2 + 4`
`2x - 2 = x : 2 + 8 : 2`
`(2x. 2 - 2 ) : 2= ( x + 8 ) : 2`
`4x - 4 = x + 8`
`4x - x = 8 + 4`
`3x = 12`
`x = 12 : 3`
`x = 4`
Vậy `x = 4`
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