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FinnZ [79.3K]
2 years ago
12

Error Analysis! Answer both parts of the question.

Mathematics
1 answer:
Maurinko [17]2 years ago
8 0

Answer:

Kaitlin's answer is wrong because she is supposed to by dividing. When trying to get rid of a number from a variable you have to divide the number by itself and whatever you do to one side you have to do to the other side

so you would do 5/5 - cancels out

15/5=3

y=3

Step-by-step explanation:

have a great day :D

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Answer:

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Step-by-step explanation:

-2(5d-9f)+7f-10(-9f-7d

Open parenthesis

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Collect like terms

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Factorise

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Therefore,

-2(5d-9f)+7f-10(-9f-7d) in its simplest form is 5 ( 12d + 23f )

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