arnoldocantero1 arnoldocantero1

09-10-2020
Mathematics

contestada

What is the solution to this equation? 4- 5k = -21
a.5
b.21
c.17 over 5
4 over 5

Respuesta :

09-10-2020

Answer:

k = 5

Step-by-step explanation:

4 - 5k = -21

Transpose and subtract 4 from both sides:

4 - 4 - 5k = -21 -4

-5k = -25

Divide both sides by -5

-5k/-5 = -25/-5

k = 5

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