Question

http://prntscr.com/b7y0y7

Answer 1

C.

Answer 2

no A

Answer 3

\[\log_{2x+7} 27=\log_{2x+7} 3^3=3\log_{2x+7} 3\]

Answer 4

now

Answer 5

\[3\log_{2x+7} 3=3,\log_{2x+7} 3=1\]

Answer 6

now \[\log_{a} a=1\]

Answer 7

apply this we get 2x+7=3,x=-2

Answer 8

Thank you soo soo much for ur help and time :D

Answer 9

ok any time :)