Question

What is the sum of the solutions of 2{x-1}-4=-2 ?
A. 1 1/2

B. 0
C. -2
D. 2

Answer 1

@zzr0ck3r

Answer 2

@Astrophysics

Answer 3

is that \(2|x-1|-4=-2\)

?

Answer 4

Are those parentheses/brackets or absolute value as zz suggested?

Answer 5

absolute like zz

Answer 6

\(2|x-1|-4=-2\iff|x-1|-2=-1\iff|x-1|=1\iff x-1=1\text{ and } \\x-1=-1\)

Answer 7

what?!?!?

Answer 8

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

Well you could always plug in the solutions given and see if left side = right side,

or you can solve for x.

\[|x-1| = 1 \]

\[x-1 = 1 \implies x = 2\]

Answer 9

oh ok??

Answer 10

Alright I'll show you step by step,





technically your answer should also be x = 0, since we're dealing with absolute values, and I'm not entirely sure what you've been taught. But I hope this helps, good luck :)