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24-04-2016
Mathematics

Answered

how do you solve x + 1/4x = 15.

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GeneralKnowledge GeneralKnowledge

24-04-2016

x + 1/4x = 15
4/4x + 1/4x = 15
5/4x = 15
5x = 60
x = 12

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24-04-2016

x+(1/4)x = 15 // - 15

x+(1/4)x-15 = 0

5/4x-15 = 0 // + 15

5/4x = 15 // : 5/4

x = 15/5/4

x = 12

Answer Link

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