Question

a-(-6)=-5 so a=-11

Answer 1

a-(-6)=-5
a + 6 = -5
a + 6 + (-6) = -5 + (-6)
a = -5 -6 = = - 11. ---> Your work is correct.

Answer 2

thanks for your work too

Answer 3

An answer without work means nothing. Thanks for appreciating the process. Glad to help.