X + y = 1 22 September 2017 0 Input x + y = 1 Geometric figure line Real solution y = 1 – x Solution y = 1 – x Related posts: The History of Algebra Essay Mathematics in our lives X+2y=6 X+3y=3 X+5y=10 X-2y=6 X-3y=6 X-5y=5