1/2(4x-8)-7x=21

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Solution for 1/2(4x-8)-7x=21 equation: 



1/2(4x-8)-7x=21

We move all terms to the left:

1/2(4x-8)-7x-(21)=0



Domain of the equation: 2(4x-8)!=0

x∈R



We add all the numbers together, and all the variables

-7x+1/2(4x-8)-21=0

We multiply all the terms by the denominator


-7x*2(4x-8)-21*2(4x-8)+1=0

Wy multiply elements

-14x^2(4-42x(4+1=0

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