Question 49787
3x - y = 1 [Solve for y]
3x-3x-y=-3x+1
-y=-3x+1
-y/-1=-3x/-1 + 1/-1
y=3x-1
Plot the line with a slope of 3 and a y-intercept of (-1)
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3x - y = 2  [Solve for y]
3x-3x-y=-3x+2
-y=-3x+2
-y/-1=-3x/-1 + 2/-1
y=3x-2 
Plot the line with a slope of 3 and a y-intercept of (-2)
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{{{ graph( 300, 200, -6, 4, -4, 4, 3x-2, 3x-1) }}}