Camivasquez1 Camivasquez1
  • 02-10-2014
  • Mathematics
contestada

Help!! Please I need help on understanding this.
Simplify the
expression –4(x –
7) + 3(x + 9).



Respuesta :

konrad509
konrad509 konrad509
  • 02-10-2014
[tex]-4(x -7) + 3(x + 9)=\\ -4x+28+3x+27=\\ -x+55[/tex]
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