Solve for x and y
`6/(x+y)=7/(x-y)+3`,
`1/(2(x+y))=1/(3(x-y))`

Explanation

To solve the equations given:

1. **Equations:**
\[ \frac{6}{x+y} = \frac{7}{x-y} + 3 \]
\[
\frac{1}{2(x+y)} = \frac{1}{3(x-y)}
...