Question

For $\frac{x}{4}+\frac{y}{5}=1$. then find the value of $y$, when $x=-4$.

Answer 1

The graph of the equation would be:

Now when $x=-4$

$\frac{y}{5}=1+\frac{4}{4}$

$y=5\times 2$

$\therefore y=10$