3x+6y=18 [first divide everything by six (because y has to be alone)] .5x+ y=3 [subtract the .5x from each side]
y= -.5x+3 [the slope is the number before the x]
-.5= -(1/2) so the slope is -1 over 2
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6x+3y = 18 3y = -6x+18 y = -2x+6 Therefore the slope is -2 and the y intercept is 6
y=-18x+17. Since this is already in Slope-Intercept form, we can determine that the slope is negative 18.
Convert the equation into the form y = mx + c, where m is the slope (and c is the y intercept) 2x + 3y = 18 3y = -2x + 18 y = -2/3x + 6 Therefore the slope is -2/3.
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A line with equation y = mx + c has slope m (and intercept c), thus convert the given equation into this form: 2x + 3y = 18 ⇒ 3y = -2x + 18 ⇒ y = -2/3x + 6 ⇒ slope is -2/3.