angel94
angel94 angel94
  • 24-07-2017
  • Mathematics
contestada

Please help a brother out! Thank you!

Please help a brother out Thank you class=

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 24-07-2017

they are saying x = 3 so you would use the middle equation

so -4x becomes -4(3)

-4 * 3 =-12

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