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Example: if somebody says something funny you EXPRESSION on your face will be smiling or happy.

Q: What is an example of a expression?

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2x+3

Yes, a mathematical expression can have no variables, but such an expression is usually not very useful. An example of a valid expression without variables is: 1+1=2

A numerical expression is defined as a combination of numbers and one or more operation symbols. An example is 5 + 7 - 1.

An example of an algebraic expression is: 4x=24. it is basicaly an expression with 1 or more operations, a variable, and an equal sign.

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Expression

Example: if somebody says something funny you EXPRESSION on your face will be smiling or happy.

An expression is a group of constants (numbers), variables (x, y, a), and operators (+, -, *, /, ()). An example would be 9*x + 2 or (3a - 7)/5.

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how to write an expression letter for the study purpose?

No, this is an "expression". An equation would include an equal sign, for example:2x + 5 = 11No, this is an "expression". An equation would include an equal sign, for example:2x + 5 = 11No, this is an "expression". An equation would include an equal sign, for example:2x + 5 = 11No, this is an "expression". An equation would include an equal sign, for example:2x + 5 = 11

An expression is a collection of numbers and letters for example: 2a this is expression 2a+5b this is also expression.

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2x+3

Yes, a mathematical expression can have no variables, but such an expression is usually not very useful. An example of a valid expression without variables is: 1+1=2

A numerical expression is defined as a combination of numbers and one or more operation symbols. An example is 5 + 7 - 1.

You have to assign some variable to "some number", for example "x". Then your expression becomes 12 / x.You have to assign some variable to "some number", for example "x". Then your expression becomes 12 / x.You have to assign some variable to "some number", for example "x". Then your expression becomes 12 / x.You have to assign some variable to "some number", for example "x". Then your expression becomes 12 / x.