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Big Ideas Math: Modeling Real Life, Grade 6 View details

Chapter Review

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Exercise 35 Page 336

Remember, only like terms can be combined.

Practice makes perfect

The first step in simplifying this expression is to identify which, if any, terms can be combined. Remember, only like terms — constant terms or terms with the same variable — can be combined. 2/3x + (-3) + (-2) - 1/3x In this case, we have two x-terms and two constants. To simplify the expression, we will rearrange it according to the Commutative Property of Addition and then combine like terms.

2/3x+(-3)+(-2)-1/3x

CommutativePropAdd

Commutative Property of Addition

2/3x-1/3x+(-3)+(-2)

AssociativePropAdd

Associative Property of Addition

(2/3x-1/3x)+((-3)+(-2))

FactorOut

Factor out x

(2/3-1/3)x+((-3)+(-2))

SubFrac

Subtract fractions