Expression
[3(4+6)] - 15 A string of numbers, operations, and symbols |
Equation
[3(4+6)] - 15 = 15 A string of numbers, operations, and symbols, including an equals sign (both sides of the equals sign have the same value) |
Numerical Expressions and Equations
4+6-3 4+6-3=7 Only numbers are used in the expressions and equations |
Algebraic Expressions and Equations
4+6-b 4+6-b=7 Numbers and variables are used in the expressions and equations |
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