-2|-6x| and x = 5

Question

-2|-6x| and x = 5

anonymous · Answer

What do you need to do? Do you need to prove it?

anonymous · Answer

yes

amistre64 · Answer

plugging in "x" was good, but what happened after that?

anonymous · Answer

Shoot..forgot the - symbol on the 6, my bad.

amistre64 · Answer

what is the absolute value of -6 * 5?

anonymous · Answer

Umm..whos the question directed to? lol.

amistre64 · Answer

you goodman :)  your answer has me worried alittle

anonymous · Answer

30 right?

amistre64 · Answer

30 is right, now what is -2 * 30?

anonymous · Answer

-60

amistre64 · Answer

and that is what we should get for an answer; how you got to +- 180 tho ... has me worried

anonymous · Answer

Oh wow...now i see, lol. Im sorry.

anonymous · Answer

Then all you need to do is plug in 5 when ever x shows up. 
-2|-6x| 
-2|6(5)|
-2|30| 
2*30 or 2*-30 
+/-60

amistre64 · Answer

there is no +- option.  -2 * 30 = -60.  there is no other way around it

anonymous · Answer

Really? I was taught that when doing an absolute value, its gonna be +/- Hmm..im confused.

amistre64 · Answer

if we were trying to determine solutions for x we would most likely have a +- option; but as is, we are told the value of x and want the results for that value

anonymous · Answer

Ohhh okay, although, when i was doing this kind of problem last year, i noticed our teacher made us give a +/- when the solution was positive..maybe it was my teacher, i dunno.

amistre64 · Answer

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