4=z/9

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Solution for 4=z/9 equation: 



4=z/9

We move all terms to the left:

4-(z/9)=0

We add all the numbers together, and all the variables

-(+z/9)+4=0

We get rid of parentheses

-z/9+4=0

We multiply all the terms by the denominator


-z+4*9=0

We add all the numbers together, and all the variables

-1z+36=0

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

-z=-36

z=-36/-1

z=+36

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