You can put this solution on YOUR website! You can simplify by dividing both sides by 2.
x -2y = 4
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Subtract x from both sides.
-2y = -x + 4
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Divide by -2 to get the equation into slope-intercept form.
y = x/2 + 2 = (1/2)x + 2
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The slope (m) = 1/2.
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When x = 0, y = 2: (0,2), which is the y-intercept
when x =-4, y = 0: (-4,0), which is the x=intercept
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With two points you can graph it.
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