cjyoung12323 cjyoung12323

28-06-2017
Mathematics

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

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Banabanana Banabanana

28-06-2017

5a - 10*3 = 45
5a - 30 = 45
5a = 45 + 30
5a = 75
a = 15

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kevkevsansan kevkevsansan

28-06-2017

10 x 3 is 30, 45 - 35 is 15, 15 divided by 3 is 5 so the answer is A=3

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