Isabell Tanner

2023-03-14

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

fessetekxty

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 $y=x-8$

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