garrisonk garrisonk

11-11-2019
Mathematics

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34(4a + 12) = 21 a =
please find my answer

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SilvanaMartins SilvanaMartins

11-11-2019

Answer: a = 2,84

Step-by-step explanation:

34(4a + 12) = 21 a =

136a + 408 = 21

136a = -408 + 21

136a = - 387

a = - 387

136

a = - 2,84

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