Question

Check whether the point $(4,0)$ satisfies the equation $x-2y=4$ or not.

Answer 1

Substitute $4$ for $x$ and $0$ for $y$ in the given equation,

$4-2\times 0=4$

$\Rightarrow 4=4$ which is true

Hence, point $(4,0)$ satisfies the equation $x-2y=4$.