Use Pythagorean Theorem to find a missing leg of a right triangle:

Will give b !

Step-by-step explanation:

h^2=x^2+y^2

26^2=24^2+a^2

a^2=26^2-24^2

a^2=100

a=10

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.