Answer
$x=1$, $y=-2$
Work Step by Step
$-2x+15y=-32$
$7x-5y=17$
$3*(7x-5y=17)$
$21x-15y=51$
$-2x+15y=-32$
$21x-15y=51$
$21x-15y-2x+15y =51-32$
$19x = 19$
$19x/19 = 19/19$
$x=1$
$7x-5y=17$
$7*1-5y=17$
$7-5y=17$
$7-5y-7=17-7$
$-5y=10$
$-5y/-5=10/-5$
$y=-2$