| Substitution | |
Summary |
substitution, in algebra, means replacing a letter or variable with a number. the value of the term or expression can then be worked out. sometimes a term or an expression may have two or more variables and each one of these can be given a value. this often occurs in a formula. |
Key Skills |
substitute numbers into terms, expressions and work out their value. find the value of unknowns in formulae. |
Vocabulary |
exponent, substitution, variable, formula. |
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