Question

-7x-y=13 8x+y=-14 what is the answer?

Answer 1

So i am guessing that those are two different equations so for the equation:
-7x-y=13 your answer is $x= \frac{-1}{7}y + \frac{-13}{7}$. How is this?
Well you have to add y to both sides of the equation so it would look like this:$-7x-y+y=13+y$ and so when you add it up it will look like this:$-7x=y+13$ notice that the negitive y became a positive and went to the other side of the equation. So now what? well know you can divide by -7 so like this:$\frac{-7x}{-7} + \frac{y+13}{-7}$ so then once you do all of that your answer becomes:$x=\frac{-1}{7}y+ \frac{-13}{7}$.

Now for your second equation and just look in the attachment it is explained in written from not text XD. Good Luck~!