If b-10=5, what is the value of b+6
\(b-10=5 \\ b=5+10 \\ b=15 \\ \\ b+6=15+6=21 \\ \\ \boxed{b+6=21}\)
15-10=515+6=2115 minus 10 comes to an answer of 5. So that means that, b is equal to 15. If you add 15 and 6, you will get a sum of 21.