3z+9z=54

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Solution for 3z+9z=54 equation: 



3z+9z=54

We move all terms to the left:

3z+9z-(54)=0

We add all the numbers together, and all the variables

12z-54=0

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

12z=54

z=54/12

z=4+1/2

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