$\"\"$

The equation is $\"\"$ .

According to subtraction property of equality; if a = b than a $\"\"$ c = b $\"\"$ c.

$\"\"$ (Subtract 3 from each side)

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

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

$\"\"$ (Divide each side by 5)

$\"\"$ (Cancel common terms)

$\"\"$

Check:

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

$\"\"$

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

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

Compare the values, the equation is true.

$\"\"$

The value of $\"\"$ .