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 6721 views around the world You can reuse this answer Creative Commons License