7z+9=3z

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Solution for 7z+9=3z equation: 



7z+9=3z

We move all terms to the left:

7z+9-(3z)=0

We add all the numbers together, and all the variables

4z+9=0

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

4z=-9

z=-9/4

z=-2+1/4

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