An equation is simply a number sentence with a variable in the place of an unknown value. A variable is a letter that is substituted in place of the unknown value. It can be any letter you want, although x is most commonly used. To unlock this lesson you must be a Study.com Member.
Midscale, smoke-free hotel near Cedar Rapids Airport 3 floors, 74 rooms and suites-elevator-AAA 2 Diamonds.
Cedar Rapids - Iowa City hotel options include the Fairfield Inn & Suites Cedar Rapids and Holiday Inn Express & Suites - Interstate 380 at 33rd Avenue. Waterloo Regional Airport is the most practical airport for flying into and leaving Waterloo. It is 5 miles away.