26txleto 26txleto

21-09-2020
Mathematics

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What is the value of k for which the following equation has one solution?
|14+ 7x| - 15 = k

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Respuesta :

AayushTripathy AayushTripathy

21-09-2020

Answer:

7x-1

Step-by-step explanation:

14 + 7x - 15 = k

7x - 1 = k

Finding x,

14 + 7x - 15 = k

=> 14 + 7x = k + 15

=> 7x = k + 15 - 14

=> x = (k + 1)/7

So, 7 * (k+1)/7 - 1 = k

k + 1 - 1 = k

=> k = k

So the answer is true that 7x - 1

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