bengarcia6852owaukd bengarcia6852owaukd

15-09-2017
Mathematics

contestada

9(11-k)=3(3k-9) plz help solve for k

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royalroyfan1 royalroyfan1

15-09-2017

Distribute...
99 - 9k = 9k - 27
Add 27 to both sides
126 - 9k = 9k
Add 9k to both sides
126 = 18k
Divide by 18
k = 126 / 18 = 7

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Аноним Аноним

15-09-2017

9(11-k)=3(3k-9)
9(11)-9(k)=3(3k)-3(9)
99-9k=9k-27
+9k +9k
99=18k-27
+27 +27
126=18k
----- -----
18 18
7=k

Answer Link

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