At 7pm last night, the temperature was 10. at 7am the temperature was -7 . by how
much did the temperature change from 7 p. m. to 7 a. m.

okay wait before i answer, is this for your points on a graph?

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.