What is the value of a in the equation 3a + b = 54, when b = 9?

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23-10-2014
Mathematics

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What is the value of a in the equation 3a + b = 54, when b = 9?

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Kalahira Kalahira · Answer 1 · 2017-08-09T13:17:50+02:00

Kalahira Kalahira

09-08-2017

The first step is to substitute "9", where be is in the equation. Then, subtracting 9 from each side fo the equation gives you 3a = 45. Finally, by dividing each side by 3, your result will be a=15.

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