$\"\"$

The equation is $\"\"$ .

According to addition property of equality: If a = b then a + c = b + c.

$\"\"$ (Add 2 to both sides).

$\"\"$ (Additive inverse property: $\"\"$ )

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

$\"\"$

According to division property of equality:

For any number a, b and c, If a = b then $\"\"$

$\"\"$ (Divide both sides by 4)

$\"\"$ (Cancel common terms)

$\"\"$

Check:

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

$\"\"$

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

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

Compare the values, the equation is true.

$\"\"$

The value of $\"\"$ .