4z-9=2z+12-17

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Solution for 4z-9=2z+12-17 equation: 



4z-9=2z+12-17

We move all terms to the left:

4z-9-(2z+12-17)=0

We add all the numbers together, and all the variables

4z-(2z-5)-9=0

We get rid of parentheses

4z-2z+5-9=0

We add all the numbers together, and all the variables

2z-4=0

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

2z=4

z=4/2

z=2

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