20-06-2017
Mathematics

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Solve 5[8-(9x-7)]+6x=0

Respuesta :

20-06-2017

5[8-(9x-7)]+6x=0
5[8-9x+7]+6x=0
5[15-9x]+6x=0
75-45x+6x=0
75-39x=0
x=25/13

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