$\"\"$

\

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

\

Solve the equation.

\

$\"\"$ (First equation)

\

$\"\"$ (Add $\"\"$ to each side)

\

$\"\"$ (Apply additive inverse property: $\"\"$ )

\

$\"\"$ (Divide each side by $\"\"$ )

\

$\"\"$ (Cancel common terms)

\

Substitution method:

\

$\"\"$ (Second equation)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Distributive property: $\"\"$ )

\

$\"\"$ (Combine like terms)

\

$\"\"$ (Add $\"\"$ to each side)

\

$\"\"$ (Apply additive inverse property: $\"\"$ )

\

$\"\"$ (Multiply each side by $\"\"$ )

\

$\"\"$ (Cancel common terms)

\

$\"\"$

\

Find the $\"\"$ value.

\

$\"\"$ (Simplified first equation)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Multiply)

\

$\"\"$ (Subtract: $\"\"$ )

\

$\"\"$ (Simplify)

\

The solution of the system is $\"\"$ .

\

$\"\"$

\

The solution of the system is $\"\"$ .