Evaluate n+6 when n=1

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Question

Evaluate the expression, n+6 when n=1.

Answer

It quite simple to evaluate n+6. Given that n=1, we can just replace (i.e. substitute) n with 1. Here's how:

n+6
      =1+6 
    =7     

To see more examples on evaluating expressions, watch the math video in following link:

1. Evaluating Expression