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04-02-2021
Mathematics

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Evaluate the following expression if x=4 28x - 9 (2x+ 6)

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04-02-2021

Answer:

-14

Step-by-step explanation:

substitute 4 for x

28(4) - 9 (2(4)+ 6)

multiply

112-9(8+6)

add numbers

112-9(14)

multiply

112-126

subtract

-14

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