Answer :
6-b=5b+30
step 1: subtract 6 to both sides of the equation.
6-b=5b+30
-6= -6
-b=5b+24
Step two: get b alone by dividing both sides of the equation by -1
then you get b=-5b-24
Step 3: add 5b to both sides to get 6b=-24
Step 4: divide both sides by 6
you get b= -4