samsam13xo samsam13xo

20-02-2018
Mathematics

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Weight Gain after gaining 25 pounds, a person is 115 pounds lighter than double his previous weight. How much did the person weigh before gaining 25 pounds? How could I write this problem

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LauraTh3T3ddyB3ar LauraTh3T3ddyB3ar

20-02-2018

Equation: x + 25 = 2x - 115
Cross 115 over the 'bridge' and add it with 25: x+140 = 2x
Cross x over the 'bridge' and subtract with 2x: 140 = x

ANSWER: x

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