3 years ago

Need help please thanks

Mathematics

2 answers:

Paul [167]3 years ago

8 0

Answer k=15 for the first one... not sure about other one

hram777 [196]3 years ago

6 0

Answer:

k = 15

Step-by-step explanation:

4k - 2k = 2k

-21 - 11 = -10

2k - 10 = 20

30 - 10 = 20

2 × 15 = 30

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