Combined Dependent Variable Interpretation

I am running a regression model with a dependent variable called "pollution" which is based on an average of five variables. How should I go about interpreting results and the coefficients from my regression model?
I have two independent variables in my regression model that are both very significant.

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Active Member
The regression coefficient of X is the expected increase in the dependent variable for a 1-unit increase in X with all other independent variables in the model held constant.
So the dependent variable is a composite variable. Why average values and not use them all?
I don't think I know what you are referring to? Should I average the values of each variable before averaging them together in the dependent variable?


Not a robit
My question was just related to what actually is your dependent variable? Can you explicitly state its structure and formulation. Thank you.