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Which expression represents 81 decreased by an unknown number
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Which expression represents 81 decreased by an unknown number
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Dec 15, 2017
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Which expression represents 81 decreased by an unknown number
Mathematics
middle-school
Takoyaro
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Hi there!
So, we have to write a expression.
decrease means - and an unknown number is x.
Therefore, the expression is
81-x
Elliott Davies
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Dec 18, 2017
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Elliott Davies
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unknown number is x decreased by x means minus x means -x 81 decreased by x means 81-x
Ankit Rawat
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Dec 22, 2017
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Ankit Rawat
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