Answer :

naǫ
[tex]b-10=5 \\ b=5+10 \\ b=15 \\ \\ b+6=15+6=21 \\ \\ \boxed{b+6=21}[/tex]
15-10=5

15+6=21

15 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.

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