An equation or an inequality that contains at least one variable is called an open sentence. ... When you substitute a number for the variable in an open sentence, the resulting statement is either true or false. If the statement is true, the number is a solution to the equation or inequality.
A declaritive sentence makes a statement.
you have to solve the actual equation in order to answer this about your variable
Not if the statement is inexplicable in numerical terms, and not always when it is.
A sentence that makes a statement
That would be a declarative sentence.
A sentence that makes a statement
A declarative sentence makes a statement and uses a period.
Solution or a root
This kind of sentence is called a declarative sentence.
the prime minister made a statement today at nine o'clock
the prime minister made a statement today at nine o'clock
A declarative sentence makes a statement. In imperative statement is an order or direction to do something