4(b-1) = 4+4b
expand the parenthesis:
4 ×b - 4 ×1 = 4 + 4b
4b - 4 = 4 + 4b
collect like terms:
4b - 4b = 4 + 4
0 = 8
Since 0 is not equalt to 8, the expression has no solution.
This means there is no value
