Seudónimo Seudónimo

17-01-2017
Mathematics

contestada

Which is a simplified form of the expression 3a + 7 – a – 7?
A. 2a
B. 4a
C. 2a + 14
D. 4a – 14

Respuesta :

kirstenrewis kirstenrewis

17-01-2017

You must add all the like terms and you get 2a

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Аноним Аноним

17-01-2017

It would be: 3a + 7 - a - 7
= 2a

In short, Your Answer would be Option A

Hope this helps!

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