PRE-ALGEBRA, 2008
55

 PAGE: 296 SET: Exercises PROBLEM: 55
Please look in your text book for this problem Statement

The equation is .

Apply subtraction property of equality: Subtract  form each side.

(Apply additive inverse property: )

(Apply additive identity property: )

Find the least common denominator (LCD).

Multiples of 3: 3, 6, 9, 12, 15, 18, 21,..........

Multiples of 4: 4, 8, 12, 16, 20,..........

The least common multiple of 3 and 4 is 12.

Rewrite each fraction with a common denominator of 12.

Rewrite fractions using the LCD 12.

(Subtract:)

To check the solution, substitute in original equation.

(Divide: )

The equation is true.

The value is .

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