Respuesta :

Answer:

3a - 14 + c

5b -1

This should be right. I had a A in this chapter.

Step-by-step ex

check out my yt

CL asapfn

sub

Answer:

10 = 6

11) = 11

Step-by-step explanation:

1)

[tex](a-5)- (2b-9) +c = \\ (6 - 5) - (2(3) - 9) + 2 \\ (1) - (6 - 9) + 2 \\ (1) - ( - 3) + 2 \\ 1--3+2 \\ 1+3+2 \\ 4+2 \\ = 6[/tex]

2)

[tex]( {b}^{2} - 2b + 6) + 3b - 7 \\ ( {3}^{2} - 2(3) + 6) + 3(3) - 7 \\ (9 -6 + 6) + 9 - 7 \\ (9) + 2 \\ = 11[/tex]