3 years ago

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

Mathematics

2 answers:

xeze [42]3 years ago

8 0

Answer:

10k-4=2k-20

+4 +4

10k=2k-16

-2k -2k

8k=-16

$\frac{8k}{8}=\frac{-16}{8}$

k=-2

Check:

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

-20-4=-4-20

-24=-24

Step-by-step explanation:

RoseWind [281]3 years ago

3 0

Answer:

10.k-4=2.k-20

10k-2k=-20+4

8k=-16

K=-2

Step-by-step explanation:

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