Question

\(\frac{2}{3}=\frac{x-1}{6}\)

câu này làm ntn ạ 

Answer 1

\(\frac{2}{3}=\frac{x-1}{6}\Leftrightarrow3x-3=12\Leftrightarrow3x=15\Rightarrow x=5\)

Answer 2

\(\frac{2}{3}=\frac{x-1}{6}\)

\(\Rightarrow2.6=3.\left(x-1\right)\)

       \(12=3x-3\)

  \(3+12=3x\)

           \(15=3x\)

       \(15:3=x\)

              \(5=x\)

Vậy x=5

Answer 3

\(\frac{2}{3}=\frac{x-1}{6}\)

\(\Leftrightarrow3.\left(x-1\right)=2.6\)

\(\Leftrightarrow3x-3=12\)

\(\Leftrightarrow3x=15\)

\(\Leftrightarrow x=5\)

Học tốt 

Answer 4

\(\frac{2}{3}=\frac{x-1}{6}\)

\(\Leftrightarrow3\left(x-1\right)=12\)

\(\Leftrightarrow x-1=4\)

\(\Leftrightarrow x=5\)

Vậy x =  5

Linz