TEKS.MATH.6.7D

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

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TEKS.MATH.6.7D

This property tells us that when we change the order of numbers when we are adding, the answer does not change.  

• Commutative Addition
• Commutative Multiplication
• Associative Addition
• Associative Multiplication

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TEKS.MATH.6.7D

Find an equivalent expression using the associative property:
7 + ( 8 + 9)

• 7 + 8 + 9
• 8 + ( 7 + 9)
• (7 + 8 ) + 9
• 7 + 10

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TEKS.MATH.6.7D

3(2c - 5)

• 6c - 15
• 6c + 15
• 6c + 15
• -6c - 15

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TEKS.MATH.6.7D

Simplify the following expression.
4x + 5 (x + -2)

• 9x + 10
• -9x + 10
• 9x + -10
• -9x + -10

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TEKS.MATH.6.7D

Which of the following is equivalent to 4x + 28

• 4(x + 7)
• 4(x + 28)
• 4x + 7
• 4(x + 24)

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TEKS.MATH.6.7D

simplify the expression
21 + 34b - 8 - 5b + 8 + 23b

• 10b + 0
• 21b - 52b
• 52b + 21
• 52b - 21

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TEKS.MATH.6.7D

Simplify:
10 + 2(4 + w)

• 2w + 18
• w + 18
• w + 16
• 2w + 14

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TEKS.MATH.6.7D

(2 X 3) X 4 = 2 X (3 X 4) is an example of

• identity property

• order of operations

• associative property

• commutative property

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TEKS.MATH.6.7D

Find the sum:
2(x + 3) + 3(3x - 2)

• 11x
• 11x - 12
• 11x + 12
• 0

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TEKS.MATH.6.7D