More algebra help please? For another cupcake?

Question

I didn't really understand everything that you guys did for my last question.. Like i need
help applying that to this problem:
Solve.
4/13 = -2b/13 + 6b/26

Answer 1

Common denominator is 26
4/13 = -2b/13 + 6b/26
rewrite the each fractions using common denominator
8/26 = -4b/26 + 6b /26
8/26 = 2b/26
8 = 2b
divide each side by 2
b = 4