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5.4(3k-12)+3.2(2k-6)=-136

Guest Sep 10, 2014

Best Answer 

 #1
avatar+3450 
+10

5.4(3k-12)+3.2(2k-6)=-136

(5.4 x 3k) + (5.4 x -12) + (3.2 x 2k) + (3.2 x -6) = -136

16.2k + (-64.8) + 6.4k + (-19.2) = -136

16.2k + (-64.8) + 6.4k + (-19.2) = -136

22.6k + (-64.8) + (-19.2) 

22.6k + -84 = -136

            +84    +84

----------------------------

22.6k = -52

 

k ≈ 2.3

NinjaDevo  Sep 11, 2014
 #1
avatar+3450 
+10
Best Answer

5.4(3k-12)+3.2(2k-6)=-136

(5.4 x 3k) + (5.4 x -12) + (3.2 x 2k) + (3.2 x -6) = -136

16.2k + (-64.8) + 6.4k + (-19.2) = -136

16.2k + (-64.8) + 6.4k + (-19.2) = -136

22.6k + (-64.8) + (-19.2) 

22.6k + -84 = -136

            +84    +84

----------------------------

22.6k = -52

 

k ≈ 2.3

NinjaDevo  Sep 11, 2014
 #2
avatar+93342 
+5

That is fantastic presentation Ninja.  

Melody  Sep 11, 2014

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