Finding the output of a discrete system - signals and systems

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drk

Joined Mar 8, 2008
41
Hey, I'm having a problem resolving this exercise.
The question:
Find the output signal y[n] of a discrete system which input x[n] = u[n] (heaviside) and h[n] = (1/2)^(abs(n)) (impulse response)

I've attached a picture of what I've done so far.
I don't know how to resolve that sum, and I'm also not sure if what I have is correct.
 

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