Answer all of these correct and you'll get brainliest! make sure that you click on the next little picture that's next to the highlighted link.

7) B.

8) A.

9) C.

10) C.

11) A.

12) D.

13) B.

I hope this helps!!!

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.