$\"\"$

The expression is $\"\"$ .

(Combine like terms using distributive property: $\"\"$ )

$\"\"$

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

(Combine like terms using distributive property: $\"\"$ )

$\"\"$

$\"\"$ (Add: 1 + 6 = 7) \ \

$\"\"$

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

The simplified expression value is $\"\"$ .