Question

tìm x 

 3.(2-2x)=4.(x-1)

Answer 1

\(3.\left(2-2x\right)=4.\left(x-1\right)\)

\(\Leftrightarrow3.2-3.2x=4.x-4.1\)

\(\Leftrightarrow6-6x=4x-4\)

\(\Leftrightarrow4x+6x=6+4\)

\(\Leftrightarrow10x=10\)

\(\Leftrightarrow x=1\)

Answer 2

 3.(2-2x)=4.(x-1)

\(\Leftrightarrow6-6x=4x-4\)

\(\Leftrightarrow4x+6x=6+4\)

\(\Leftrightarrow10x=10\)

\(\Leftrightarrow x=1\)

Vậy x=1