Hello castilloesperanza399!

Evaluate the expression for the given variable
k-7, when k=4.

It's given that,
Our expression is 'k - 7'. We already have the value of k, so to solve it we need to substitute the value given in the place of k.

- The value of the expression will be -3.
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Hope it'll help you!
ℓu¢αzz ッ