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y=-18x+17. Since this is already in Slope-Intercept form, we can determine that the slope is negative 18.
18x= 19818x/18 = 198/18x = 11
18x + 12y = 72 to get x-int. put y=0 18x + (12)(0) = 72 18x = 72 x = 4 your x-intercept is 4. this is the place where the line goes through the x-axis.
10x + y = 67 ( y=17) what does x equal?
10x + 17 = 4x - 16x = -18x = -3