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12-06-2020
Mathematics

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what is the value of a in the equation 3 a plus B equals 54 will be equals nine

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12-06-2020

Answer: a = -15

Step-by-step explanation:

3a + b = 9

b=54

3a + 54 = 9

3a = 9-54

3a= -45

[tex]\frac{3a}{3}= \frac{-45}{3}\\[/tex]

- x + = -

a= -15

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