21z-2z-16=4z

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Solution for 21z-2z-16=4z equation: 



21z-2z-16=4z

We move all terms to the left:

21z-2z-16-(4z)=0

We add all the numbers together, and all the variables

15z-16=0

We move all terms containing z to the left, all other terms to the right

15z=16

z=16/15

z=1+1/15

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