How do you solve #x + y = 4# and #9x + 9y = 36#?
1 Answer
Apr 14, 2016
Explanation:
These two equations both describe the same line. Any point on the line is a solution, so there are an infinite number of solutions.
For example, given any
graph{x+y=4 [-10, 10, -1.72, 8.28]}