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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

2. Algebraic Proof

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Exercise 16 Page 288

What do you need to do to obtain 3(x- 23)=4 from 3x-2=4?

Distributive Property

Practice makes perfect

Let's examine the given statement and determine the property that justifies the statement. If3(x-2/3)=4 , then3x-2=4. In this case, the product of a number and a parenthetical factor is equal to the sum of the products of the number and each term inside the parentheses. This is the Distributive Property.

3(x-2/3)=4

Distribute 3

3 * x - 3 * 2/3=4

DenomMultFracToNumber

3 * a/3= a

3 * x -2=4

Multiply

3x-2=4

Subchapter links

Exercises p.287-291