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OpenStudy (yacoub1993):
@SectorZ423
is A correct
OpenStudy (anonymous):
Cant see it
terenzreignz (terenzreignz):
$$\Large 2|x-1| - 4 = -2$$
This.
OpenStudy (yacoub1993):
Yes
terenzreignz (terenzreignz):
Why don't we try solving this first, without any regard to the choices...
We learn better that way...
^_^
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OpenStudy (yacoub1993):
ok thats a good idea
terenzreignz (terenzreignz):
First off, try getting rid of that -4 in the left-side
\[\Large 2|x-1| \color{red}{- 4} = -2\]
...question is
how?
OpenStudy (yacoub1993):
2(x-1)=-2
terenzreignz (terenzreignz):
Okay... I know I said 'get rid of'
but I didn't mean it LITERALLY.
More like bring it over to the right side.
We want that absolute value bit (the part enclosed in | | )
to be absolutely alone on one side of the = sign.
So...
How to bring that -4 to the right-side?
OpenStudy (yacoub1993):
how?
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terenzreignz (terenzreignz):
Example:
5x + 7 = 17
I want to get rid of that +7 on the left-side, I can do that by
subtracting 7 from both sides.
Like so:
5x + 7 - 7 = 17 - 7
5x = 10
simple stuff ^_^