B
And sorry kid, I have to take Edge Annuity too and it low-key sucks sometimes but thank god for Brainly
Answer: x=9
Step-by-step explanation:
(5x+7)
5 x 9 = 45
45 + 7 = 52
Step-by-step explanation:
(1/12)^-2b x 12^-2b+2=12
12^-(-2b) x 12^-2b+2=12
12^2b+(-2b+12)=12
2b-2b+12=12
=1