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First write an algebraic equation for x, the number you are looking for.
x-8 is the number decreased by 8 and that needs to equal 5x.
x-8=5x so now subtract 5x from both sides and add 8 to both sides and we have
-4x=8 so x is -2. Now we plug that back in the original English sentence.
-2 decreased by 8 is -10 and 5 times -2 is negative 10.
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Earn +20 ptsQ: What number decreased by 8 equals 5 times that number?
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