if a number is tripled the result is 60

if a number is tripled the result is 60

The phrase a number means an arbitrary variable, let's call it x.
x

Triple the number means we multiply by 3:
3x

The phrase the result is means an equation, so we set 3x equal to 60:
3x = 60 <-- This is our algebraic expression

If you want to solve this equation, then you type in 3x = 60 into the search engine and get:
x = 20