Inequality: An inequality compares two values, showing if one is less than, greater than, or simply not equal to another value.
Variable: A Symbol for a value we don't know yet. It is usually a letter (e.g. x, y).
Integer: A number with no fractional part (no decimals). (e.g. -16, -3, 0, 1, 198)
Solve: to find a value we can put in place of a variable that makes the equation true.