4.5z=-81

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Solution for 4.5z=-81 equation: 



4.5z=-81

We move all terms to the left:

4.5z-(-81)=0

We add all the numbers together, and all the variables

4.5z+81=0

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

4.5z=-81

z=-81/4.5

z=-18

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