Question

Solve for $x$ : $3x=\frac{20}{7}-x$.

• A. $\frac{2}{7}$
• B. $\frac{3}{7}$
• C. $\frac{4}{7}$
• D. $\frac{5}{7}$

Answer 1

The correct option is D $\frac{5}{7}$

Given, $3x=\frac{20}{7}-x$.

Transposing $x$ terms to one side, we get,

$\Rightarrow$ $3x+x=\frac{20}{7}$

$\Rightarrow$ $4x=\frac{20}{7}$

$\Rightarrow x=\frac{20}{7}\times \frac{1}{4}$

$\Rightarrow$ $x=\frac{5}{7}$.

Hence, option $D$ is correct.