20-4z=9-3z

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Solution for 20-4z=9-3z equation: 



20-4z=9-3z

We move all terms to the left:

20-4z-(9-3z)=0

We add all the numbers together, and all the variables

-4z-(-3z+9)+20=0

We get rid of parentheses

-4z+3z-9+20=0

We add all the numbers together, and all the variables

-1z+11=0

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

-z=-11

z=-11/-1

z=+11

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