The system of equations are .
Equation 1:
Equation 2: .
Solve the first equation for y since the coefficient is 1.
\Equation 1:
Subtract from each side.
.
The value of substitute in the second equation,
.
Subtract 12 from each side
\Divide each side by negative 2
\The value of substitute in the either equation to find y.
Equation 1:
Subtract 6 from each side
\The solution is .
The solution is .