You can put this solution on YOUR website! If we can get it into y = mx + b form, we can read the slope m...
so from 10x - 2y = 60, we solve for y
-2y = -10x + 60
y = 5x - 30
so the slope is 5.
Another way is to merely look at -a/b from the original equation...that gives 5 also...