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21-09-2018
Mathematics

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a + 3a = 16

what does A=

Respuesta :

21-09-2018

a is really worth one.
So it’s a + 3a = 4a
4a=16 is the equation now, so now you have to get rid of the 4 by dividing 4 on both sides.

4a = 16
—— = ——
4 4

The 4 is gone so now you get a=4

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