sbenjamin07 sbenjamin07
  • 08-04-2021
  • Mathematics
contestada

Solve using substitution. You MUST find both variables to be crowned brainiest

2x + 4y = 40
x - 6y = -36

Respuesta :

nabryaburns89
nabryaburns89 nabryaburns89
  • 08-04-2021
2x+4y=40
x=-36+6y
2(-36+6y)+4y=40
y=7
x=-36+6x7
x=6
(x,y)=(6,7)
2x6+4x7=40
6-6x7=-36
40=40
-36=-36
(x,y)=(6,7)
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