alexis4222 alexis4222

12-06-2019
Mathematics

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three less than two times a number is 55. What’s the number ?

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PoeticAesthetics PoeticAesthetics

12-06-2019

Let n be a number

2n - 3 = 55

Add 3 to both sides

2n + (-3 + 3) = 55 + 3

2n = 58

Divide 2 to both sides

2n/2 = 58/2

n = 29

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