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The lines $-2x + y = k$ and $0.5x + y = 14$ intersect when $x = -8.4$. What is the value of $k$?

 

Thanks so much!

 Apr 10, 2019

Best Answer 

 #1
avatar+19326 
+2

-2(-8.4) + y - k  = .5(-8.4)+y -14

16.8 - k = -4.2 -14

k =35

 Apr 10, 2019
 #1
avatar+19326 
+2
Best Answer

-2(-8.4) + y - k  = .5(-8.4)+y -14

16.8 - k = -4.2 -14

k =35

ElectricPavlov Apr 10, 2019

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