Question 66422
6 - b = 5b + 30
Adding b to both the sides we get,

6 - b + b = 5b + 30 + b

==> 6 = 6b + 30

==> 6 - 30 = 6b + 30 - 30

==> - 24 = 6b

==> - 24/6 = 6b/6

==> - 4 = b


Thus b = -4



Good Luck!!!