$\"\"$

The expression is $\"\"$ .

$\"\"$ (Write the equation)

$\"\"$ (Subtract 1 from each side)

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

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

$\"\"$ (Multiply by negative side to each side) $\"\"$

Check:

Substitute $\"\"$ in the equation.

$\"\"$ (Write the equation)

$\"\"$ (Substitute $\"\"$ )

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

The solution was checked. $\"\"$

The solution is $\"\"$ .