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08-05-2019
Mathematics

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

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Аноним Аноним

08-05-2019

3a+9=54

3a+9-9=54-9

3a= 45

a=15

Check answer:

3(15)+9=54

54=54

Answer is a=15

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