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= 2 h + 1 h + 4 r + 3 r + 7 t + t Commutative Property of Addition . = (2 + 1) h + (4 + 3) r + (7 + 1) t Distributive Property. = 3 h + 7 r + 8 t Simplify. COURSE 3 LESSON 2-3. Simplifying Algebraic Expressions. Simplify 2 h + 4 r + 7 t + h + 3 r + t . .

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= 2h + 1h + 4r + 3r + 7t + tCommutative Property of Addition

= (2 + 1)h + (4 + 3)r + (7 + 1)tDistributive Property

= 3h + 7r + 8tSimplify.

COURSE 3 LESSON 2-3

Simplifying Algebraic Expressions

Simplify 2h + 4r + 7t + h + 3r + t.

2h+ 4r + 7t + h + 3r + t

2-3


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4(b – 3) + 2b = 4b – 12 + 2bDistributive Property

= 4b + 2b – 12 Commutative Property of Addition

= (4 + 2)b – 12 Distributive Property

= 6b – 12 Simplify.

COURSE 3 LESSON 2-3

Simplifying Algebraic Expressions

Simplify 4(b – 3) + 2b.

2-3


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7t – 2(t – 3) = 7t+ (–2)(t – 3)Add the opposite of 2(t – 3).

= 7t + [–2t – (–6)] Distributive Property

= 7t + (–2t) + 6 Simplify.

= [7 + (–2)]t + 6 Distributive Property

= 5t + 6 Simplify.

COURSE 3 LESSON 2-3

Simplifying Algebraic Expressions

Simplify 7t – 2(t – 3).

2-3


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COURSE 3 LESSON 2-3

Simplifying Algebraic Expressions

Simplify each expression.

1. 3h + 7h

2. –13c + c

3. 4y – 7 + 8y

4. 1 – 6(b – 9)

10h

–12c

12y – 7

–6b + 55

2-3


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