stellastar446 stellastar446

05-09-2017
Mathematics

contestada

Subtract a-4 from 4a+16 and simplify your answer. The variable a should only appear in your answer once.
Plz help asap
Thanks

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Mariyah18 Mariyah18

05-09-2017

the answer is given above

Ver imagen Mariyah18

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kaevras kaevras

05-09-2017

4a + 16 - (a - 4)
4a + 16 - a + 4

Collect the terms:

a:
4a - a = 3a

Constants:
16 + 4 = 20

3a + 20

Answer Link

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