feruzaya feruzaya

18-09-2021
Mathematics

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;Pls help you will get 20 points
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Pls help you will get 20 points class=

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mistressofdark mistressofdark

18-09-2021

Answer:

a = 12

Step-by-step explanation:

a+b+c+a+c+b+a+c = 12+a+a+b+b+c+c+c

=> 3a + 2b + 3c = 12 + 2a + 2b + 3c

=> 3a - 2a + 2b - 2b + 3c - 3c = 12

=> a = 12

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