You can
put this solution on YOUR website!"one number is 6 more than the other" translates to
"Their sum is 0" translates to

Plug in

into the second equation

Combine like terms on the left side.

Subtract

from both sides.

Combine like terms on the right side.

Divide both sides by

to isolate

.

Reduce.

Go back to the first equation

Plug in

Simplify
So the answer is

and