daysyperez2003
daysyperez2003 daysyperez2003
  • 10-07-2020
  • Mathematics
contestada

Solve the system of equations by substituion,
-5x + y = 3
7.5x - 1.5y = 3

Respuesta :

AdrianaNH AdrianaNH
  • 10-07-2020
the first equation, make the y as the subject. y = 3 + 5x, then substitute y in the second equation and you will get the value of x. then, substitute the x in the first equation (y = 3 + 5x)
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