1/2*(x-1)=-9

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Solution for 1/2*(x-1)=-9 equation: 



1/2(x-1)=-9

We move all terms to the left:

1/2(x-1)-(-9)=0



Domain of the equation: 2(x-1)!=0

x∈R



We add all the numbers together, and all the variables

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

We multiply all the terms by the denominator


9*2(x-1)+1=0

Wy multiply elements

18x(x+1=0

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