Question

What would the ordered pair be for the following system of equations:
x + 2y = 4 (1)
x = 7-2y (2)

Answer 1

x+2y=4
x=4-2y
x=7-2y
7-2y=4-2y
since 4 is not equal to 7 it has no solution.

Answer 2

1 => x+2y = 4
2 => x+2y = 7
which cannot both be true at the same time