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18-10-2014
Mathematics

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25-[2+5y-3(y+2)]=-3(2y-5)-[5(y-1)-3y+3]

Respuesta :

18-10-2014

[tex]25-[2+5y-3(y+2)]=-3(2y-5)-[5(y-1)-3y+3] \\ 25-[2+5y-3y-6]=-6y+15-[5y-5-3y+3] \\ 25-2-5y+3y+6=-6y+15-5y+5+3y-3 \\ -2y+29=-8y+17 \\ 6y+29=17 \\ 6y=-12 \\ y=-2[/tex]
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