Question 1175435: Tom is walking 12 miles from A to B.
He already walked x miles.
He needs to walk y miles more. Found 3 solutions by Boreal, ikleyn, ewatrrr:Answer by Boreal(15235) (Show Source):
Hi
12mi from A to B
walked 'x' miles
remaining is 'y' miles
y = 12-x
and
x + 12-x = 12
For ex: IF x = 5mi ⇒ y = 12-x = 7
Using the variable like x and y helps one solve problems!
Wish You the Best in your Studies.