(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I am suppose to use Boolean algebra to show that the following expressions are true.

2. Relevant equations

w'z' + w'xy + wx'z + wxyz = w'z' + xyz + wx'y'z + wyz

3. The attempt at a solution

I have tried to figure out how to get to that answer above but I am stuck and not sure what to do or if I am even doing it right. Here is what I got so far:

w'(z + xy) + w(x'z +xyz)

w'(z + xy) + wz(x' + xy)

w'(z + x' + y') + wz(x' + x' + y')

w'(z + x' + y') + wz(x' + y')

Thanks!

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# Boolean Algebra help

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