Subtract - b+3 from - 11b-4 .

What is the answer?

-10b-7

10b+7

-12b-1

10b-7

-10b-7

Solution:

-11b-4 - (-b+3)

Two equal characters in succession replace with addition.

- (-b) = b

-11b+b = 10

A negative factor in parentheses changes the plus and minus in the parenthesis.

- (+3) = - 3

-4-3 = - 7