How do you find the x and y intercepts of x+3y=-1? Algebra Graphs of Linear Equations and Functions Intercepts by Substitution 1 Answer ali ergin Dec 9, 2016 "x-intercept =-1" "y-intercept=-0.33" Explanation: "let's write x=0 for y-intercept" 0+3y=-1 y=-1/3 y=-0.33 "let's write y=0 for x-intercept" x+3*0=-1 x+0=-1 x=-1 Answer link Related questions What is the x and y Intercepts? How many intercepts can a line have? How do you use substitution to find intercepts? How do you identify the intercepts on a linear graph? How do you use the x and y intercepts to graph a linear equation? How do you find the x and y intercept for y=2x+3? How do you find the x intercept for y=2? What is the y intercept for the y=2 graph? What is the y intercept for x=-1? How do you find the intercepts of x^2y-x^2+4y=0? See all questions in Intercepts by Substitution Impact of this question 2121 views around the world You can reuse this answer Creative Commons License