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17-01-2017
Mathematics

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X-(9x-10) + 11=12x+3(-2x + 1\3

Respuesta :

hap092002 hap092002

17-01-2017

x(-9x+10)+11=12x(-6x+1)
-10x+10+11=6x+1
-10x+21=6x+1
-16x+21=1
-16x=20
x=-1.25

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