The system of equations are
.
Observe the coefficient of each term are different, so the best method is Elimination using multiplication to solve the system of equations.
\Elimination using multiplication:
\
----------(1)
----------(2)
To get two equations that contain opposite terms multiply the first equation by 4.
Add the equations to eliminate the y - variable and solve the equation.
\
The resultant equation is
.
Divide each side by 37.
\

The value of
substitute in either equation to find y.
First equation:
.


Subtract 15 from each side.
\

Divide each side by 3.
\

The value of
.
The value of
.