Question

What is the sum of the solutions of ?
A. 1 1/2


B. -2

C. 2

D. 0

Answer 1

\[2|x-1|-4= -2\]

Answer 2

any attempt ?

Answer 3

pick d but got it wrong

Answer 4

you just guessed d) ??

Answer 5

no

Answer 6

so what was your logic behind saying "d" ?

Answer 7

2|x-1|-4= -2
2|x-1| = -2 + 4
2|x-1| = 2
|x-1| = 1
So, (x-1) = 1 OR (x-1) = -1
Solve each equation above and add the solutions.

@jbarber