lovemochaa
lovemochaa lovemochaa
  • 17-03-2024
  • Mathematics
contestada

pls help // Solve by substitution.
{ -3x+y=19
2x-3y=-1
(?, ?)

pls help Solve by substitution 3xy19 2x3y1 class=

Respuesta :

snow9782 snow9782
  • 18-03-2024
{ y=3x+19
2x-3y+1=0

2x-3(3x+19)+1=0

2x-9x-56=0

-7x-56=0

x=-8

y=3(-8)+19
=-5

(-8,-5)
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