The system of equations are .
Equation 1:
Equation 2: .
Solve the first equation for y since the coefficient is 1.
\Equation 1:
Subtract 2x from each side
\ The value of substitute in the second equation,
to find x.
Subtract 4 from each side
\Divide each side by negative 4
\The value of substitute in the either equation to find y.
Equation 1:
Subtract 4 from each side
\The solution is .