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.
The Eastern Iowa Airport is a commercial airport in Cedar Rapids, Iowa, United States, on Wright Brothers Boulevard on the south edge of town, about two miles west of Interstate 380. CID covers 3,288 acres.