nmart nmart
  • 10-03-2018
  • Mathematics
contestada

What's 2x+3y=6 and x-3y=9?

Respuesta :

garima16 garima16
  • 10-03-2018
Set up a system of equations:

2x+3y=6
x-3y=9

You can solve this with elimination by adding the two equations together:

3x+0y = 15
3x=15
x=5

Then, plug this value back into either of the original equations to find the y value:

5-3y=9
-3y=4
y= -4/3

The point of intersection is (5,-4/3)
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