Someone pls help ASAP please I’ll give brainiest

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

x/3-10=8

x/3=18

x=48

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.