Algebra-1

The correct answer is B. Equations have an equal sign and expressions do not.

The main difference between an expression and an equation lies in the presence or absence of an equal sign (=).

An expression is a mathematical phrase that combines numbers, variables, and operators to represent a value or perform a calculation. It can include constants, variables, and operations, but it does not assert equality. For example, "3x + 5" or "2y - 7" are expressions.

On t...