3z-(4-z)-7=25

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Solution for 3z-(4-z)-7=25 equation: 



3z-(4-z)-7=25

We move all terms to the left:

3z-(4-z)-7-(25)=0

We add all the numbers together, and all the variables

3z-(-1z+4)-7-25=0

We add all the numbers together, and all the variables

3z-(-1z+4)-32=0

We get rid of parentheses

3z+1z-4-32=0

We add all the numbers together, and all the variables

4z-36=0

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

4z=36

z=36/4

z=9

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