$\"\"$

The equation is $\"\"$ .

$\"\"$ (Multiply each side by 3)

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

$\"\"$ (Add 3 to each side)

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

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

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

Check:

To check the solution substitute the value $\"\"$ in original equation.

$\"\"$

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

The equality is true. $\"\"$

The value of $\"\"$ .