Ok for this Simplify the following expression using the distributive property 7(z+12)
Explain your answer
You guys keep saying it’s 7z+84 and when you do it you do 7xz & 7x12
But where did the x come from

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.