4z-9=-7z+9

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Solution for 4z-9=-7z+9 equation: 



4z-9=-7z+9

We move all terms to the left:

4z-9-(-7z+9)=0

We get rid of parentheses

4z+7z-9-9=0

We add all the numbers together, and all the variables

11z-18=0

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

11z=18

z=18/11

z=1+7/11

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