A conditional equation only has a __ number of solutions
A contradiction equation has __ solutions.
An identity equation has __ solutions.
To check a linear equation, input the answer you get for x then press the __ key. Then input the equation, then press the 2nd and then __ key. Choose the equals mark, press __ , then put in what the equation should equal. 1 means __ and zero means __.
store, math, enter, true, false
To get rid of a fraction in a linear equation, multiply everything by the __ __ __.
least common denominator
When checking linear equations on a calculator, if there is more than one term in the denominator or numerator, then make sure you use __!!!