Question 1062301
Here is a graph of the two lines, red line is y = -x + 3, green line is y = x + 1
:
{{{ graph( 300, 200, -10, 10, -10, 10, -x+3, x+1) }}}
:
point of intersection looks like (1, 2)
:
set both equations = to each other
:
-x + 3 = x+ 1
:
2x = 2
:
x = 1
:
the solution is x = 1, y = 2