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-48
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-48
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-|16|-8|4|
Add 12 and 4 to get 16.
-16-8|4|
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of 16 is 16.
-16-8\times 4
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of 4 is 4.
-16-32
Multiply 8 and 4 to get 32.
-48
Subtract 32 from -16 to get -48.
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Limits
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