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24-09-2019
Mathematics

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2- + (2+7) Use number properties to simplify the following expression

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24-09-2019

Answer:

-7.

Step-by-step explanation:

2- + (2+7)

First work out the parentheses ( by order of operations PEMDAS)

= 2 - + 9

= 2 - 9 (as - + = -)

= -7.

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