ai3ha ai3ha
  • 14-02-2021
  • Mathematics
contestada

Solve the simultaneous equations
x+y=3
y=3x−17

Respuesta :

khadija0 khadija0
  • 14-02-2021

Answer:

x=5 , y=-2

Step-by-step explanation:

rearrange y=3x-17 to -3x+y=-17

then subtract to get x or y

     x+y=3

- (-3x+y=-17)

       4x=20

         x=20/4

         x=5

then sub in the x value into one of the equations

for x+y=3

    (5)+y=3

          y=3-5

          y= -2

hope this was helpful bestie ༼ つ ◕_◕ ༽つ

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