7z+9-2z-3-6=-6+31

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Solution for 7z+9-2z-3-6=-6+31 equation: 



7z+9-2z-3-6=-6+31

We move all terms to the left:

7z+9-2z-3-6-(-6+31)=0

We add all the numbers together, and all the variables

7z-2z+9-3-6-25=0

We add all the numbers together, and all the variables

5z-25=0

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

5z=25

z=25/5

z=5

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