barrows0 barrows0

16-04-2018
Mathematics

contestada

what is the answer to 9=4a+13

Respuesta :

16-04-2018

9 = 4a + 13
-4a = -9 + 13
4a = -4
a = 4 : -4
a = -1

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ApplePi707 ApplePi707

16-04-2018

9 = 4a + 13

Minus 13 to the other side,

-4 = 4a

Divide 4 on both sides to get a by itself,

-1 = a
a = -1

Hope this helped!

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