How to write a variable expression for the word phrase "a number decreased by 8"?

Isabell Tanner

Answered question

2023-03-14

How to write a variable expression for the word phrase "a number decreased by 8"?

Answer & Explanation

fessetekxty

Beginner2023-03-15Added 3 answers

When you state a number has fallen by eight, it signifies that there are now two distinct numbers and that there is an eight-unit difference between them. So there's some defined $y$ and a defined $x$ such that $y-x=8$ so that means $y=x-8$