Question 108748
to graph put in slope-intercept form:
1} x+2y=1
2y=-x+1
y=-1/2x+1/2
{{{graph (300, 300, -5,5,-5,5, -(1/2)x+1/2)}}}

2} 2x+y=5
y=-2x+5
{{{graph (500,500, -4,4,-6,6, -2x+5)}}}
:)