radix

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Usernameradix
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 #1
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Guten Abend !

 

2*(1+2/5(1-x/2) - x) =-5-(2x - 1/2)*3

 

\(2*(1+2/5(1-x/2)-x)=-5-(2x-0,5)*3\)

\(2*(1+0,4-0,2x-x)=-5-6x+1,5\)

\(2+0,8-0,4x-2x=-6x-3,5\)

\(-2,4x+6x=-3,5-2,8\)

 

\(3,6x=-6,3\)   

 

\(x=-\frac{63}{36}=-\frac{7}{4}=-1\frac{3}{4}=-1,75\)   

 

Gruß radix smiley !

Mar 12, 2016