tspencer16 tspencer16

14-12-2020
Mathematics

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find the value of B in the following equation if you know it goes through (-7,2). -7x+By=31

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14-12-2020

Hello!

[tex]\large\boxed{B = -9}[/tex]

Find "B" by plugging in the x and y values into the equation given:

-7x + By = 31

-7(-7) + B(2) = 31

49 + 2B = 31

Subtract 49 from both sides:

2B = -18

Divide both sides by 2:

2B / 2 = -18/2

B = -9

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