Question

Choose the best definition for the following term: substitution

Answer 1

solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.

Answer 2

To replace one or more term(s) with number(s) and solving it after replacing it


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