7z+3=-9

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Solution for 7z+3=-9 equation: 



7z+3=-9

We move all terms to the left:

7z+3-(-9)=0

We add all the numbers together, and all the variables

7z+12=0

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

7z=-12

z=-12/7

z=-1+5/7

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