miracletgibson miracletgibson

10-12-2017
Mathematics

contestada

Which expression is equivlent to 3n + 2(1-4n)
a 2-n
b 2-5n
c 2+11n
d 2-11n
Samuel chose a how did he get that answer.

Respuesta :

hienh4517 hienh4517

10-12-2017

3n + 2 -8n
= 2 - 5n

B is correct answer

Answer Link

harpazo harpazo

10-12-2017

3n + 2(1 - 4n)

The first thing you want to do is clear the parentheses.

3n + 2 - 8n

We now combine like terms.

3n - 8n + 2

-5n + 2

Rewrite as 2 - 5n.

Answer is b not a.

Answer Link

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