Question 395629
   <pre><font size = 3 color = "indigo"><b>
Hi
Solving by substitution
x + 2y = 1   OR x = -2y+1
4x + 8y = -5
4(-2y+1)+8y = -5
 -8y + 4 + 8y = -5
        4 &#8800; -5  There are NO solutions

x + 2y = 1     OR y = -(1/2)x + 1/2
4x + 8y = -5   OR y = -(1/2)x - 5/8
These are parallel lines
{{{drawing(300,300, -6, 6, -6, 6, grid(1),
circle(0, .5,0.3),
circle(0, -5/8,0.3),
graph( 300, 300, -6, 6, -6, 6,0,.5x+1/2,.5x-5/8))}}}