Short Answer: Combine like terms
Remark
Just from what I see here, remove the brackets first and combine like terms second.
Discussion
8 - 2x + 4 The like therms are 8 and 4 First step
12 - 2x That's the answer. Don't go any further. 2nd and last step
KE=0.5xmxv2
=0.5x 1.2x10^3x (3.4x10^3)^2=6936000000
So find how much was eaten
1/6 and 2/3=eaten
add 1/6 and 2/3
convert bottom number to same
2/3=4/6
1/6+4/6=5/6
5/6 eaten
3-5/6=
2+1-5/6=
2+6/6-5/6=
2+1/6
2 and 1/6 waffles left
The distance of it away from zero cannot be a negative distance, distance is always positive therefor the absolute value will always be positive.
Short answer: no, absolute value is always positive
I hope this helps :)