<PRE><B>Question 70285</B>
X+Y=2 Y=-X+2
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{{{ graph( 300, 200, -6, 5, -10, 10, y = -x +2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = -x +2). 
X-Y=6 -Y=-X+6 Y=X-6
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{{{ graph( 300, 200, -6, 7, -10, 10, y = x -6) }}} (graph 300x200 pixels, x from -6 to 7, y from -10 to 10, y = x -6). 
X+2Y=2 2Y=-X+2
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{{{ graph( 300, 200, -6, 5, -10, 10, 2y = -x +2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 2y = -x +2). 
Y=X-5
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{{{ graph( 300, 200, -6, 5, -10, 10, y = x -5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = x -5). 

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