-7z=-9-42

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Solution for -7z=-9-42 equation: 



-7z=-9-42

We move all terms to the left:

-7z-(-9-42)=0

We add all the numbers together, and all the variables

-7z-(-51)=0

We add all the numbers together, and all the variables

-7z+51=0

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

-7z=-51

z=-51/-7

z=7+2/7

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