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If a + b = 8, b + c = 3, and a + c = \(5\), what is the value of the product abc?

 Jan 26, 2022
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a + b = 8

a + c = 5

Subtracting the second equation from the first:

b - c  =  3

b + c =  3

Adding the two equations together:

2b =  6

b = 3

Since a + b = 8 and b = 3:  a + 3 = 8   --->   a = 5

Since a + c = 5 and a = 5:  c = 0

 

From these values, you can get the answer.

 Jan 26, 2022

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