\

\

$\"\"$

\

The expression is $\"\"$ .

\

Apply distributive property: $\"\"$ .

\

$\"\"$ (Distribute7)

\

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

\

$\"\"$ (Apply Commutative property of addition)

\

$\"\"$ (Apply distributive property)

\

$\"\"$ (Add: 7 + 3 = 10)

\

$\"\"$

\

Simplified expression is $\"\"$ .

\