Answer :
Here's how to find what ' v ' must be :
-- Subtract 7 from each side .
-- Divide each side by 2 .
When you do that, you'll have v = (the number that ' v ' is) .
-- Subtract 7 from each side .
-- Divide each side by 2 .
When you do that, you'll have v = (the number that ' v ' is) .