| Equation  describes a sloping line. For any equation ax+by+c = 0, slope is
  . X intercept is found by setting y to 0: ax+by=c becomes ax=c. that means that x =  c/a. 0/1 = 0.Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is 0/5 = 0.Slope is -1/5 = -0.2. Equation in slope-intercept form: y=-0.2*x+0.
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