how do you write step by step numerical expression the difference between 8 forty-sevens and 7 forty-sevens? Could you please give it step by step? Thank you so much!

a

explanation:

i think it is 18

step-by-step explanation:

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.

y=20x

: )

hope this