An algebraic expression is a mathematical phrase that can include numbers, operations symbols, and most importantly variables.
Because variables are important elements, algebraic expressions are sometimes called variables expressions.
Mathematical phrase | Algebraic expression |
Six more than a number | x + 6 |
The difference of twelve and a number | 12 - x |
The product of a number and negative 4 | x(-4) |
A number divided by another number | x/y |
Twice a number plus three | 2x + 3 |
Two subtracted from a number | x - 2 |
An algebraic expression does not have an equal (=) sign
For example, x + 8 - y = 12 is not an algebraic expression.
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