Respuesta :
y = 2x + 3
2x - y = 7
Substituting the value of y,
2x - (2x + 3) = 7
2x - 2x - 3 = 7
-3 ≠ 7
Hence, there is no solution to this equation. This equation does not even exist.
2x - y = 7
Substituting the value of y,
2x - (2x + 3) = 7
2x - 2x - 3 = 7
-3 ≠ 7
Hence, there is no solution to this equation. This equation does not even exist.