Rewrite each expression using the base only once 1) 7^3 x 7^4 2) (-6)^12 x (-6)^5 x (-6)^2 3) 2^2 x 2^7 x 2^0

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.