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8+|7|+|-8|
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -8 is 8.
8+7+|-8|
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of 7 is 7.
15+|-8|
Add 8 and 7 to get 15.
15+8
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -8 is 8.
23
Add 15 and 8 to get 23.