How do you find the x and y intercept of #x + 4y = 8#? Algebra Graphs of Linear Equations and Functions Intercepts by Substitution 1 Answer ali ergin May 10, 2017 #"x-intercept: "8# #"y-intercept: "2# Explanation: #"we write y=0 to find x-intercept ."# #x+4y=8# #x+4*0=8# #x+0=8# #x=8# #"we write x=0 to find y-intercept ."# #x+4y=8# #0+4y=8# #4y=8# #y=8/4# #y=2# 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 5660 views around the world You can reuse this answer Creative Commons License