You can put this solution on YOUR website! find the slope and y-intercept fro each line tha thas a slope and y-intercept:
x+2y=3
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Put into slope-intercept form, y = mx + b (m = slope, b = y-intercept)
2y = -x + 3
y = (-1/2)x + 3/2
Slope = -1/2, y-intercept = 3/2