How do you solve the system #x + y = 1# and #y = 3x - 19# by graphing?
1 Answer
Nov 16, 2017
Explanation:
the graphs are:
graph{3x-19 [-10, 10, -5, 5]}
graph{-x+1 [-10, 10, -5, 5]}
the graphs are (with "zoom in"):
graph{3x-19 [4, 6, -5, -3]}
graph{-x+1 [4, 6, -5, -3]}
you can see that when
