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Twice a number decreased by 20 is 50. What is that number

User WLin
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2 Answers

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2(n-20)=50
n-20=25

n=45
User Jcarrera
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2x - 20 = 50 is the equation. "Twice" means 2 times, "decreased by" means subtraction, and "is" means equals. Do the math; it's easy now.
User Hortinstein
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