Question

Solve $7x+3<5$, when $x$ is an integer.

Answer 1

$7x+3<5$

$\Rightarrow 7x<5-3$

$\Rightarrow 7x<2$

$\Rightarrow x<\frac{2}{7}$

$\therefore x\in (-\infty ,\frac{2}{7})$