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This symbol |x| denotes the absolute value of
. That is the number without its sign, like |+3| = 3 and |-3| = 3.
|r-8|=5......absolute value equation
Solve for x:
|r - 8| = 5
. Either that argument will be
, or it will be
We must solve these two equations. The first implies
The second implies
These are the two solutions: