-1/2(4x-20)=9x+80

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Solution for -1/2(4x-20)=9x+80 equation: 



-1/2(4x-20)=9x+80

We move all terms to the left:

-1/2(4x-20)-(9x+80)=0



Domain of the equation: 2(4x-20)!=0

x∈R



We get rid of parentheses

-1/2(4x-20)-9x-80=0

We multiply all the terms by the denominator


-9x*2(4x-20)-80*2(4x-20)-1=0

Wy multiply elements

-18x^2(4-160x(4-1=0

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