$\"\"$

The system of equations are $\"\"$ .

Equation 1: $\"\"$

Equation 2: $\"\"$ .

$\"\"$

In the above system the two equations are solve for x, so these are equal.

$\"\"$

Subtract 3x from each side.

$\"\"$

Add 1 to each side.

$\"\"$

The value of $\"\"$ substitute in the either equation to find y.

Equation 1: $\"\"$

$\"\"$

The solution is $\"\"$ .