To solve the first equation:
x + 187/11 = 21x = 21 - 187/11x = 2
To solve the second equation:
27/x + 405/9 = 4827/2 + 45 = 4813.5 + 45 = 4858.5 = 48
This equation does not have a valid solution.
To solve the first equation:
x + 187/11 = 21
x = 21 - 187/11
x = 2
To solve the second equation:
27/x + 405/9 = 48
27/2 + 45 = 48
13.5 + 45 = 48
58.5 = 48
This equation does not have a valid solution.