Answer :

DatGye
The simplified answer is -12

The idea of variables is to mirror their value. If your finding (a+b), a is -46, and b is 34. You plug in both variables to get the expression, (-46 + 34). After doing the math, your final answer is -12.
AL2006

If  a = -46  and  b = 34,  then

                                      a + b = -46 + 34 .
 
Can you handle it ?       

How about                                  34 - 46 ?

Can you handle it now ?

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