Any number inside the modulus sign becomes positive. This means 
and so we have,
Solving these gives us
However if we check the second solution in the original equation we obtain 
. This is false and so 
can't be a solution.
Therefore the only solution is 
.
(Note: I'm not sure why the second solution didn't work but when there's a modulus sign involved it always pays to check your final answers to be sure. I'll have a think about it but in case you find out before I do, I'd be interested to know in the comments.)
Answer:
Step-by-step explanation: d I think
Answer:
$15 + x = $
Step-by-step explanation:
This answer is 678. 0003. 9
Answer:
The answer is -8.
Step-by-step explanation:
This is because 6 added to -8 results in -2.
So, think of 6 positive things, and 8 negative things.
o o o o o o
p p p p p p p p
The 6 positive things will cancel out 6 of the negative things, leaving behind 2 negative things.
p p
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