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16-06-2018
Mathematics

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solve the equation 18=-5(4x+3)+21x

Respuesta :

16-06-2018

[tex]-5(4x+3)+21x=18\\\\(-5)(4x)+(-5)(3)+21x=18\\\\-20x-15+21x=18\ \ \ |+15\\\\x=33[/tex]

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