An expression does not include an equals sign (=)
For eg: 2x+3 would not be an equation but an expression
However, 2x+3=0, is definitely an equation with a solution
x= -3/2.
An expression does not have a definite solution.
An expression is a set of terms with mathematical operations combining them. An equation consists of two expressions with an equals sign between them.
An expression is a collection of terms and does not have an = sign
An equation is a collection of terms but has an = sign between them.
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An equation has an equal = sign whereas an expression does not.
Equation: x+3=3+x (notice the equal sign: equal; equation)Expression: x+3 (notice no equal sign)
Equation: x+3=3+x (notice the equal sign: equal; equation)Expression: x+3 (notice no equal sign)
An equation is a statement that two things are equal; it has an equal sign which looks like this: = So if, for example, 2x + 5 = y4 - 27, that's an equation. A collection of numbers and/or letters that does not have an equal sign would be an expression. For example, 3x(9 + x).
An algebraic expression doesn't have an equal sign (e.g. 4x+7) whereas an algebraic equation does (e.g. 4x+7=19). 4x=19-7 4x=12 x=12/4 x=3