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Here are some tips for Variable Substitution, which aligns with Minnesota state standards:

Variable Substitution

Example 1:

Evaluate.
(7 + n) + 9 where n = 3  

Substitute n = 3 and evaluate the expression.

Example 2:

Evaluate.
3n - 2 where n = 5  

Substitute n = 5 and evaluate the expression.

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