25-04-2018
Mathematics

contestada

evaluate the expression |4b-4| +3b for b= -2

A. 6
B. -18
C. 10
D. 18

Respuesta :

AnimeBrainly AnimeBrainly

25-04-2018

b = -2

plug in -2 for b

|4(-2) - 4| + 3(-2)

4(-2) = -8

|-8 - 4| = |-12|

3(-2) = -6

|-12| - 6

|x| is a absolute value of x, so that no matter what, it will be positive. So:

|-12| becomes 12

12 - 6 = 6

A. 6 is your answer

hope this helps

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