sunnah9989 sunnah9989
  • 10-04-2017
  • Mathematics
contestada

2x+y=3
x=3+y
This is an equation of substitution and I need help

Respuesta :

crys3 crys3
  • 10-04-2017
2(3+y)+y=3
6+3y=3
Y=-1
Substitute to solve for x
X=3-1
X=2
Answer Link
Vika11
Vika11 Vika11
  • 10-04-2017
solution:(1,1)
replace the x if the first equation with the second equation then solve. Then take that solution and put it in for the y and solve.
Answer Link

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