Question

2x . \(\left(x-\dfrac{1}{7}\right)\) = 0

 

Answer 1

\(\Leftrightarrow\)\(\left[\begin{array}{} 2x=0\\ x-\dfrac{1}{7}=0 \end{array} \right.\)

\(\Leftrightarrow\)\(\left[\begin{array}{} x=0\\ x=\dfrac{1}{7} \end{array} \right.\)

 

Answer 2

\(\left[{}\begin{matrix}2x=0\\x-\dfrac{1}{7}=0\end{matrix}\right.\left[{}\begin{matrix}x=0\\x=\dfrac{1}{7}\end{matrix}\right.\)

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