Question

Tìm x biết 

6.(x-2)+(-2)=20-4x

Answer 1

\(6\left(x-2\right)+\left(-2\right)=20-4x\)

\(\Leftrightarrow6x-12-2=20-4x\)

\(\Leftrightarrow6x+4x=20+12+2\)

\(\Leftrightarrow10x=34\)

\(\Leftrightarrow x=\frac{34}{10}=3,4\)

Vậy x= 3, 4

Học tốt !

Answer 2

từ pt đã cho ta có

6x-12-2=20-4x

<=>6x+4x=20+14

<=>10x=34

<=>x=3/4

Answer 3

6x-12-2=20-4x =>6x+4x=12+20+2 =>10x=34 =>x=17/5