$\"\"$

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 $\"\"$ .