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What is the value of b in the equation y = 3x + b, given that the line passes through the point (17,21)?

 Dec 2, 2019
 #1
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b = 17 - 3*21 = -46.

 Dec 2, 2019
 #2
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Plug in values

21 = 17*3 + b

21 = 51+b

b = -30

 

You are very welcome!

:P

 Dec 3, 2019

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