kenziefousek kenziefousek
  • 07-09-2018
  • Mathematics
contestada

|2c+8|=|10c|
Please help explain it too, if you can! :)

Respuesta :

churchkeys88 churchkeys88
  • 07-09-2018

|2c+8|=|10c|

You will need these 2 equations:

2c + 8 = 10c      2c + 8 = -10c

Solve each for an answer:

2c + 8 = 10c

8 = 8 c

c = 1

2c + 8 = -10c

8 = -12c

c= -8/12 or -2/3

So... C = 1 or -2/3

You have to solve this both ways because the value inside the absolute sign can be either a negative or positive answer and still be "absolute."


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