7.2-z=12.9

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Solution for 7.2-z=12.9 equation: 



7.2-z=12.9

We move all terms to the left:

7.2-z-(12.9)=0

We add all the numbers together, and all the variables

-1z-5.7=0

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

-z=5.7

z=5.7/-1

z=-5+0.7/1

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