Solve for x and y :
,

Solution:

The given eq. are


Putting and , we get:

On multiplying equation(iii) by 4 and equation(iv) by 3 , we obtain:

On subtracting equation(vi) and equation(v), we obtain:

On substituting in equation(iii), we obtain:

On adding equation(vii) and equation(viii), we obtain

On substituting in equation(vii), we obtain:

As a result, the required solution is and .