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 1900 views around the world You can reuse this answer Creative Commons License