Step-by-step Answer
PAGE: 22SET: ExercisesPROBLEM: 33
Please look in your text book for this problem Statement

The given equation is 

                   (Apply distributive property: )

                         (Multiply: )

According to subtraction property of equality: Subtract 4b from each side.

        (Apply commutative property of addition: a + b = b + a)

                  (Apply additive inverse property: )

                     (Apply additive identity property: )

                          (Subtract: )

According to subtraction property of equality: Subtract 6 from each side.

                     (Additive inverse property: )

                           (Additive identity property: )

                                (Subtract: )

According to divison property of equality: Divide each side by nagative 2.

                                      (Cancel common terms and flip the symbol)

                                       (Divide: )


To check the solution, substitute  in .

                 (Substitute  b=4)

                       (Add: )

                              (Multiply: )

                                    (Subtract: )

Compare the values, the equation is true. The solution is

The value of b is .


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