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.
Located two miles from downtown Dubuque with free shuttle to area casinos. 1  Book a room at our Days Inn Dubuque hotel near Diamond Jo Casino for your visit to the oldest city in Iowa. Our Dubuque hotel is conveniently located next to Mercy Medical Center and just minutes from the downtown area.