trestonholmstead trestonholmstead

02-03-2020
Biology

contestada

Subtract −b+3 from −11b−4 .

What is the answer?

−10b−7

10b+7

−12b−1

10b−7

Respuesta :

sunflower00 sunflower00

02-03-2020

Answer:

-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

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