15=z/9

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Solution for 15=z/9 equation: 



15=z/9

We move all terms to the left:

15-(z/9)=0

We add all the numbers together, and all the variables

-(+z/9)+15=0

We get rid of parentheses

-z/9+15=0

We multiply all the terms by the denominator


-z+15*9=0

We add all the numbers together, and all the variables

-1z+135=0

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

-z=-135

z=-135/-1

z=+135

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