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

The equation is $\"\"$ .

According to subtraction property of equality: Subtract 5 from each side.

$\"\"$

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

$\"\"$ (Divide each side by 2)

$\"\"$ (Cancel common terms)

$\"\"$

Check:

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

$\"\"$

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

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

The value of $\"\"$ .