Question 394305
  <pre><font size = 3 color = "indigo"><b>
Hi
using substitution
y=2x-9
x+3y=8
substituting (2x-9) for y
x +3(2x-9) = 8
 7x = 35
  x = 5
  y = 1   |y=2x-9 = 2*5 - 9 = 1
 One solution (1,5)
{{{drawing(300,300, -6, 6, -6, 6, grid(1),
circle(5, 1,0.3),
graph( 300, 300, -6, 6, -6, 6,0,2x-9, (-1/3)x + 8/3))}}}