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

\

The equation is $\"\"$ .

\

Apply subtraction property of equality: Subtract 6 from each side.

\

$\"\"$

\

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

\

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

\

$\"\"$

\

Apply division property of equality: Divide each side by negative 5.

\

$\"\"$

\

$\"\"$ (Cancel common terms)

\

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

\

$\"\"$

\

Substitute $\"\"$ in $\"\"$ . \ \

\

$\"\"$

\

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

\

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

\

\

$\"\"$

\

The value of $\"\"$ is 75.