doramorales01
doramorales01 doramorales01
  • 12-05-2021
  • Mathematics
contestada

Which variable will you choose to eliminate? How?
8x + 3y = -7
7x + 2y = -3?

I need to show the work Can someone please help?
Thank you

Respuesta :

jesusm1
jesusm1 jesusm1
  • 12-05-2021

Answer:

  • Variable elimination
  1. 8x+3y=-7
  2. 3y=-8x-7
  3. y=-8/3x-7/3
  • Now plug it into y
  • 7x-16/3x-14/3=-3
  • 5/3x-14/3=-3
  • 5/3x=5/3
  • x=1
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