lamarionwilliam lamarionwilliam

14-06-2018
Mathematics

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What is the value of a in the equation 5a – 10b = 45, when b = 3?

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hblong2017 hblong2017

14-06-2018

10 times 3 is 30 and 30 plus 45 is 75 and 75 divided by 5 is 15 so a=15. See 5(15) - 10(3)= 45
75 - 30 = 45

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