$\"\"$

The equation is $\"\"$

According to subtraction property of equality: If a = b then a - c = b - c.

$\"\"$ (Subtract 4 from each side)

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

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

$\"\"$ (Cancel common terms)

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

$\"\"$

Check:

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

$\"\"$

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

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

$\"\"$

The value of $\"\"$