The line equation of standard form is  , where A> 0 & A, B, C are integers.

                 (Substitute and)

                     (Product of two same signs is positive)

                        (Subtract: )

                           (Add: )

                                   (Divide: )

Substitute slope m   &  in point–slope form.

                 (Product of two same signs is positive)

        (Useing distributive property: )

                (Multiply: )

Rewriting the above equation in standard form,

(Add to each side)

Apply commutative property of Addition: .

       (Apply additive inverse property: )

          (Apply additive identity property: )

     (Add 4 on both sides)

          (Apply additive inverse property: )

                 (Apply additive identity property: )

Write the right side equation with common denominator.

                       (Add: )

The line equation in standard form is .