## Algebra 1

$x=-\frac{21}{8}$
$\frac{x-3}{5} = \frac{3x}{7}$ cross multiply $(x-3) * 7 = (3x) * 5$ distribute $7x-21 = 15x$ subtract 7x from both sides -21= 8x divide both sides by x $x=-\frac{21}{8}$