2z-12=9z-4-11z

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Solution for 2z-12=9z-4-11z equation: 



2z-12=9z-4-11z

We move all terms to the left:

2z-12-(9z-4-11z)=0

We add all the numbers together, and all the variables

2z-(-2z-4)-12=0

We get rid of parentheses

2z+2z+4-12=0

We add all the numbers together, and all the variables

4z-8=0

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

4z=8

z=8/4

z=2

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