$$4x/9+7x/8=11$$
$x = \frac{792}{95} = 8\frac{32}{95} \approx 8.336842105$
$$8\times 4x+9\times 7x=792$$
$$32x+9\times 7x=792$$
$$32x+63x=792$$
$$95x=792$$
$$x=\frac{792}{95}$$
Show Solution
Hide Solution