109k views
2 votes
|2c+8|=|10c|
Please help explain it too, if you can! :)

1 Answer

2 votes

|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."


User Kozydot
by
6.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.