21z+2=8

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Solution for 21z+2=8 equation: 



21z+2=8

We move all terms to the left:

21z+2-(8)=0

We add all the numbers together, and all the variables

21z-6=0

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

21z=6

z=6/21

z=2/7

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