$\"\"$

\

The expression is $\"\"$ .

\

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

\

Apply subtraction property of equality: Subtract 6b to each side.

\

$\"\"$

\

$\"\"$ (Apply commutative property of addition: $\"\"$ )

\

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

\

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

\

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

\

$\"\"$ (Divide each side by negative 5)

\

$\"\"$ (Quotient of two same signs is positive)

\

$\"\"$ (Cancel common terms) $\"\"$

\

Check:

\

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

\

$\"\"$

\

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

\

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

\

The statement is true. $\"\"$

\

The solution is $\"\"$ .