ANSWER
The solution to the system is

EXPLANATION
The system of equations are:

and

We put equation (2) in to equation (1) to get,

We expand the parenthesis to obtain,

We group like terms to obtain,


This implies that,

We divide through by 5 to get

We substitute the value of y in to equation (1) to get,


This implies that

We divide both side by 3 to get,
