SOLUTION: What is "k" in -4x + 2y = -2 and how do I get it?

Algebra.Com
Question 557030: What is "k" in -4x + 2y = -2 and how do I get it?
Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
Where would I find the letter k in "-4x + 2y = -2?" Repost with the entire question.
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