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Mathematics, 05.05.2020 18:46 ammyraammirez24

My school is closed for the rest of the year(not sure whether to be happy or sad)

Why is a question mark
used above the equal sign when
checking whether or not a given value
is a solution to an equation?

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Answers: 2

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My school is closed for the rest of the year(not sure whether to be happy or sad)

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