Which of the following sentences are statements? Justify

y + 9 = 7.

Concept Used: A statement is an assertive (declarative) sentence if it is either true or false but not both.

Here, y + 9 = 7 will be true for some value and it will be false for some value .

Like, at y= -2, the given expression is true and

Y=1 or any other value, the expression is false.

Hence, It is not a statement