3z+2=21

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Solution for 3z+2=21 equation: 



3z+2=21

We move all terms to the left:

3z+2-(21)=0

We add all the numbers together, and all the variables

3z-19=0

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

3z=19

z=19/3

z=6+1/3

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