$\"\"$

The equation is $\"\"$ .

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

$\"\"$ (Cancel common terms)

$\"\"$

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

$\"\"$

Check:

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

$\"\"$

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

$\"\"$

The value of $\"\"$ .