7z=15-43

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Solution for 7z=15-43 equation: 



7z=15-43

We move all terms to the left:

7z-(15-43)=0

We add all the numbers together, and all the variables

7z-(-28)=0

We add all the numbers together, and all the variables

7z+28=0

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

7z=-28

z=-28/7

z=-4

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