6z-7+10z=9+12z

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Solution for 6z-7+10z=9+12z equation: 



6z-7+10z=9+12z

We move all terms to the left:

6z-7+10z-(9+12z)=0

We add all the numbers together, and all the variables

6z+10z-(12z+9)-7=0

We add all the numbers together, and all the variables

16z-(12z+9)-7=0

We get rid of parentheses

16z-12z-9-7=0

We add all the numbers together, and all the variables

4z-16=0

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

4z=16

z=16/4

z=4

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