3z=21/2

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Solution for 3z=21/2 equation: 



3z=21/2

We move all terms to the left:

3z-(21/2)=0

We add all the numbers together, and all the variables

3z-(+21/2)=0

We get rid of parentheses

3z-21/2=0

We multiply all the terms by the denominator


3z*2-21=0

Wy multiply elements

6z-21=0

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

6z=21

z=21/6

z=3+1/2

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