Question 56880
X+Y=4 [Re-write in the slope-intercept format (y=mx+b)]
y=-x+4 [Graph]
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-X+Y=2 [Re-write in the slope-intercept format (y=mx+b)]
y=x+2 [Graph].
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Both lines have points (1, 3) in common (point of intersection)
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{{{ graph( 300, 200, -6, 5, -10, 10, -x+4, x+2) }}}