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Q: What is the difference between an expression and equation and an inequality?

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Expression has no answer. a equation has an answer

An expression has no equal sign whereas an equation does have an equal sign

An equation has an equal = sign whereas an expression does not.

An equation is a ploblem with no answer and an expression is a problem with an answer so you'll get different answers with an equation and an expression.

5k 7 3k is a string of terms: it is not an equation (or inequality) and so cannot have an answer. It is not even an expression since there are no operators between the three terms.5k 7 3k is a string of terms: it is not an equation (or inequality) and so cannot have an answer. It is not even an expression since there are no operators between the three terms.5k 7 3k is a string of terms: it is not an equation (or inequality) and so cannot have an answer. It is not even an expression since there are no operators between the three terms.5k 7 3k is a string of terms: it is not an equation (or inequality) and so cannot have an answer. It is not even an expression since there are no operators between the three terms.

an equation has an equals sign.

The difference between these two is that an expression only contains variables, numbers, and mathematical symbols, and an equation contains two expression with an equal sign that separate them. For example, while an expression is "2x-1", an equation is "2x-1 = 5x."

Simply put, an expression does not need an equal sign, while an equation does. Equation: x+y=z Expression: x+y

whats the difference between solving an inequality by algebriac vs graphical

similarity: both involve arithmetic operations and/or functions difference: an equation either produces an answer or shows how two expressions are equal, an expression does not produce an answer and is usually a portion of an equation or a larger expression

An expression is a statement of terms and has no equal sign. An equation is a statement of two terms that equal each other.

A numerical expression is an equation that contains only numbers. An algebraic expression is an equation that contains one or more variables and can also have numbers.

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