gymnastqueen30
gymnastqueen30 gymnastqueen30
  • 16-04-2015
  • Mathematics
contestada

Solve the system by substitution
y=3x+3
y=2x

Respuesta :

eu99li
eu99li eu99li
  • 17-04-2015

{y=3x+3
{y=2x

⇒3x+3=2x    /-2x

    x+3=0     /-3

x=-3

y=2x= 2* (-3)=-6

y=-6

Solution: (-3; -6)



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