shiaarayhers shiaarayhers

23-07-2016
Mathematics

contestada

Simplify 7(x - 1) - 2(x + 1) + 3(x - 4)

A. 8x - 21
B. 8x - 4
C. 8x + 21

Respuesta :

konrad509 konrad509

23-07-2016

[tex]7(x - 1) - 2(x + 1) + 3(x - 4) =\\ 7x-7-2x-2+3x-12=\\ 8x-21[/tex]

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