HELP PLZ 7k + 4s = 20 -8k + 2s = 10 What is the value of k?

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asked Apr 12, 2018 188k views

5 votes

HELP PLZ

7k + 4s = 20
-8k + 2s = 10

What is the value of k?

Mathematics
middle-school

Jesper Mygind asked

by Jesper Mygind

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1 Answer

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divide 20 by 4=5
then 5 by 7=5/7

k=5/7

Francesco Callari answered Apr 17, 2018

by Francesco Callari

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