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

The expression is $\"\"$

Division property of equality: If $\"\"$ then $\"\"$ , $\"\"$ .

$\"\"$ (Divide each side by 2.2)

$\"\"$ (Cancel common terms)

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

$\"\"$

Check:

Substitutive the value $\"\"$ on original equation

$\"\"$

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

The solution $\"\"$ .