Question

Question 4
$\frac{3}{7}+x=\frac{17}{7}$

Answer 1

$\frac{3}{7}+x=\frac{17}{7}$
$\Rightarrow x+\frac{3}{7}-\frac{3}{7}=\frac{17}{7}-\frac{3}{7}$ [Subtracting $\frac{3}{7}$ both sides]
$\Rightarrow x=\frac{17-3}{7}$
$\Rightarrow x=\frac{14}{7}$
$\Rightarrow x=2$