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7th grade (Illustrative Mathematics)

Course: 7th grade (Illustrative Mathematics) > Unit 5

Lesson 7: Lessons 1-6: Extra practice

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Equivalent expressions with negative numbers

CCSS.Math: 7.NS.A.1, 7.NS.A.1d

Google Classroom

Which of the following expressions are equivalent to left parenthesis, 6, point, 2, plus, 6, point, 2, right parenthesis, plus, 9, point, 4?

(Choice A)
6, point, 2, plus, left parenthesis, 6, point, 2, plus, 9, point, 4, right parenthesis
(Choice B)
minus, left parenthesis, minus, 6, point, 2, plus, 6, point, 2, right parenthesis, plus, 9, point, 4
(Choice C)
minus, left parenthesis, 6, point, 2, plus, 6, point, 2, right parenthesis, plus, 9, point, 4
(Choice D)
9, point, 4
(Choice E)
6, point, 2, minus, left parenthesis, minus, 6, point, 2, minus, 9, point, 4, right parenthesis

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