albybjr albybjr
  • 02-05-2019
  • Mathematics
contestada

solve this system of two linear equations using substitution
y=3x-5,3y-x+1

Respuesta :

Gasaqui
Gasaqui Gasaqui
  • 15-08-2019

Answer:

y=3/2

x=13/6

Step-by-step explanation:

y=3x-5 → -3x +y = -5

3y-x+1 → -x +3y = -1

Multiply the 2nd eq by -3 and add to 1st one and replace it

-3x +y = -5 → -8y =-6

3x -9y = -1     3x -9y = -1  

→ y =3/2=1.5 . Replace this value in any eq -3x + 3/2 = -5  → x =13/6

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