15=9-1/2z

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Solution for 15=9-1/2z equation: 



15=9-1/2z

We move all terms to the left:

15-(9-1/2z)=0



Domain of the equation: 2z)!=0

z!=0/1

z!=0

z∈R



We add all the numbers together, and all the variables

-(-1/2z+9)+15=0

We get rid of parentheses

1/2z-9+15=0

We multiply all the terms by the denominator


-9*2z+15*2z+1=0

Wy multiply elements

-18z+30z+1=0

We add all the numbers together, and all the variables

12z+1=0

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

12z=-1

z=-1/12

z=-1/12

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