-20+4z=20-4z

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Solution for -20+4z=20-4z equation:



-20+4z=20-4z
We move all terms to the left:
-20+4z-(20-4z)=0
We add all the numbers together, and all the variables
4z-(-4z+20)-20=0
We get rid of parentheses
4z+4z-20-20=0
We add all the numbers together, and all the variables
8z-40=0
We move all terms containing z to the left, all other terms to the right
8z=40
z=40/8
z=5

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