7z-9=2-4z

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Solution for 7z-9=2-4z equation: 



7z-9=2-4z

We move all terms to the left:

7z-9-(2-4z)=0

We add all the numbers together, and all the variables

7z-(-4z+2)-9=0

We get rid of parentheses

7z+4z-2-9=0

We add all the numbers together, and all the variables

11z-11=0

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

11z=11

z=11/11

z=1

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