ABS returns an absolute value of a numerical expression.
ABS(NumExp)
Arguments
...
A and B are dimensionless input values.
Relations
The number NumExp is given by the relation
NumExp = A + B
Our topgoal AbsoluteNumExp AbsoluteNumExp is given by the relation
AbsoluteNumExp AbsoluteNumExp = ABS(NumExp)
Solution
For example, when putting A=-2 and B=-3 as input, the solution becomes
AbsoluteNumExp AbsoluteNumExp = 5
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