$\"\"$ $\"\"$ $\"\"$

\

\

The equation is $\"\"$

\

Apply subtraction property of equality: Subtract 3.6 from each side.

\

$\"\"$ \ \

\

Apply commutative property of addition: a + b = b + a.

\

$\"\"$

\

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

\

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

\

$\"\"$

\

Apply division property of equality: Divide each side by 2.4.

\

$\"\"$

\

$\"\"$ (Cancel common terms)

\

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

\

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

\

$\"\"$ (Product of two same signs is positive)

\

$\"\"$

\

Check:

\

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

\

$\"\"$

\

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

\

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

\

Compare the values, the equation is true.

\

$\"\"$

\

The value of m is $\"\"$ .