2+2z=9+1z

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Solution for 2+2z=9+1z equation: 



2+2z=9+1z

We move all terms to the left:

2+2z-(9+1z)=0

We add all the numbers together, and all the variables

2z-(z+9)+2=0

We get rid of parentheses

2z-z-9+2=0

We add all the numbers together, and all the variables

z-7=0

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

z=7

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