corellhanley12
corellhanley12
25-10-2014
Mathematics
contestada
Solve for x: 2 over 5
(x - 4) = 2x
Respuesta :
mariamikayla
mariamikayla
25-10-2014
[tex]\frac{2}{5}(x-4)=2x^{(5} \\\\ 2(x-4)=10x \\\\ 2x-8=10x \\\\ 2x-10x=8 \\\\ -8x=8 \ |:8 \\\\ -x=1 \\\\ \boxed{x=-1} [/tex]
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