How do you evaluate #|7+ - 2+ 5+ - 8|#?

1 Answer
Mar 26, 2017

2

Explanation:

#|7+ -2+5+ -8|#
do addition/subtraction in order (remember, adding a negative value means subtracting its positive form)
#|5+ -3|=|2|#
#|2|=2#

(Absolute value of any number gets you a positive result, since absolute value is the distance of the value digit from 0 on a number line. Distance is always positive.)

absolute value, Khan Academy