Select the best answer for the question.
1. Solve for b in the equation -b + 21 = -13.
O A. b = 9
O B. b = -9
O C.b =-34
O D. b = 34

Respuesta :

Answer:

C

Explanation:

-34+21=-13 because when there is a negative number + a positive, all you do is add 22 into -34.