Step-by-step Answer
PAGE: 86SET: ExercisesPROBLEM: 55
Please look in your text book for this problem Statement

The equation is .

(Apply subtraction property of equality: If a = b, then )

        (Subtract from each side)

(Apply commutative property of addition: )

                   (Apply additive inverse property: )

                         (Apply additive identity property: )

Find the Least Common Denominator (LCD) of improper fraction and .

Find the Least Common Multiple of 3 and 7.

Multiples of 3:

Multiples of 7:

The least common multiple of 3 and 7 is 21, the LCD is 21.

Rewrite each fraction using the least common denominator (LCD).


Rewrite the subtract using the LCD.

                              (Subtract: )


To check the solution substitute the value   in original equation.

                                (Subtract: )

The equality is true.

The value of .


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