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27-04-2017
Mathematics

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-11 = 2a - 3a + 13 what does a equal to

Respuesta :

27-04-2017

a equals to 24.

First, you move 13 to the other side of the equation making it negative.
-11-13 is -24.
Then, you simply the variables.
2a-3a is -a.
Now you have -24 = -a
You can still simplify this by dividing -24 and -a by -1 which gives us 24 = a

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