-7=5+2/9z

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Solution for -7=5+2/9z equation: 



-7=5+2/9z

We move all terms to the left:

-7-(5+2/9z)=0



Domain of the equation: 9z)!=0

z!=0/1

z!=0

z∈R



We add all the numbers together, and all the variables

-(2/9z+5)-7=0

We get rid of parentheses

-2/9z-5-7=0

We multiply all the terms by the denominator


-5*9z-7*9z-2=0

Wy multiply elements

-45z-63z-2=0

We add all the numbers together, and all the variables

-108z-2=0

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

-108z=2

z=2/-108

z=-1/54

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