Kaitlynshepeta Kaitlynshepeta

28-10-2019
Mathematics

contestada

Given 10k -4 =2k-20 prove k=-2

Respuesta :

28-10-2019

Answer:

10k-4=2k-20

+4 +4

10k=2k-16

-2k -2k

8k=-16

[tex]\frac{8k}{8}=\frac{-16}{8}[/tex]

k=-2

Check:

10(-2)-4=2(-2)-20

-20-4=-4-20

-24=-24

Step-by-step explanation:

Answer Link

gianghoang112005 gianghoang112005

28-10-2019

Answer:

10.k-4=2.k-20

10k-2k=-20+4

8k=-16

K=-2

Step-by-step explanation:

Answer Link

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