Determine the value of a and b for which the following system of equations has infinite solutions.
2x - (a - 4)y = 2b + 1, 4x - (a - 1)y = 5b - 1
1
a = 7 and b = 1
2
a = 7 and b = 3
3
a = 2 and b = 7
4
a = 5 and b = 2
Determine the value of a and b for which the following system of equations has infinite solutions.
2x - (a - 4)y = 2b + 1, 4x - (a - 1)y = 5b - 1