Sure, you can, but why? Get a mechanical disc and one of those cable splitters the BMX kids use for gyros and you can have one lever activate both brakes.
Kinda stupid, but heck if you're stupid enough to try it, go for it!
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"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger