1/2z+9=-1

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



1/2z+9=-1

We move all terms to the left:

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



Domain of the equation: 2z!=0

z!=0/2

z!=0

z∈R



We add all the numbers together, and all the variables

1/2z+10=0

We multiply all the terms by the denominator


10*2z+1=0

Wy multiply elements

20z+1=0

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

20z=-1

z=-1/20

z=-1/20

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