$\"\"$

\

The equation is $\"\"$ .

\

$\"\"$ (Distributive property: a (b $\"\"$ c) = ab $\"\"$ ac)

\

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

\

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

\

$\"\"$

\

According to Subtraction Aproperty of equality; if a = b than a $\"\"$ c = b $\"\"$ c.

\

$\"\"$ (Subtract 14 from each side)

\

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

\

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

\

$\"\"$ (Divide each side by $\"\"$ 2)

\

$\"\"$ (Cancel common terms)

\

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

\

$\"\"$

\

Check:

\

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

\

$\"\"$ \ \

\

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

\

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

\

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

\

Compare the values, the equation is true.

\

$\"\"$

\

The value of $\"\"$ .