$\"\"$ $\"\"$

\

\

The equation is $\"\"$

\

Subtraction property of equality: if $\"\"$ , then $\"\"$ \ \

\

$\"\"$ (Subtract 3 from each side)

\

$\"\"$ (Additive inverse property: $\"\"$ )

\

$\"\"$ (Additive identity property: $\"\"$ )

\

\

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

\

\

$\"\"$ (Divide each side by negative 4)

\

$\"\"$ (Cancel common terms)

\

$\"\"$ (Divide: $\"\"$ )

\

$\"\"$

\

Check:

\

To check the solution, substitute $\"\"$ in equation $\"\"$ .

\

$\"\"$

\

$\"\"$ (Multiply: $\"\"$ )

\

$\"\"$ (Add: $\"\"$ )

\

The equation is true.

\

$\"\"$

\

The value of $\"\"$ .

\