Question

7b-15=5b-3 solve for b

Answer 1

add 15 to -3 and get 12
so you have 7b=5b+12
now subtract 5b out of 7b
you now have 2b=12
divide by 2b
so you should have b=6

Hope this helped! :)

Answer 2

7b-15=5b-3
2b = 12
b = 6

hope it helps