4=z+15/9

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Solution for 4=z+15/9 equation: 



4=z+15/9

We move all terms to the left:

4-(z+15/9)=0

We add all the numbers together, and all the variables

-(+z+15/9)+4=0

We get rid of parentheses

-z+4-15/9=0

We multiply all the terms by the denominator


-z*9-15+4*9=0

We add all the numbers together, and all the variables

-z*9+21=0

Wy multiply elements

-9z+21=0

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

-9z=-21

z=-21/-9

z=2+1/3

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