Use $br(tasker, myinvestment) + br(tasker, myinvestmentadd)$
Yes but if one of the variable is a negative value like -0.5 you cannot do math with it.
You will get $br(tasker,variable)+1$ returns -0.51
How to get rid of this? Do a tc split "-" and multiple the result *-1 so you can do math?
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