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

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

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User Afshin Ghazi
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1 Answer

3 votes
In order to do this you have to substitute b with 9 and get 3a+9=54, now subtract 9 from both sides to leave a by itself and get 3a=45, now divide 3 in both sides to leave a by itself and get a=15

Hope this helps
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User Mansoor Jafar
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