Expression is a mathematical phrase which combines, numbers, variables and operators to show the value of something. An equation is a mathematical statement wherein two expressions are set equal to each other. A sentence that shows equality between two expressions.

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Expression is a mathematical phrase which combines, numbers, variables and operators to show the value of something. An equation is a mathematical statement wherein two expressions are set equal to each other. A sentence that shows equality between two expressions.

Answer:an Expression is constant or variable.

equation is made of two expressions connected by equal sign.