SOLUTION: how do you add or subtract a number and a variable?

SOLUTION: how do you add or subtract a number and a variable?

Algebra.Com

Question 168344: how do you add or subtract a number and a variable?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Separately.
You can only add/subtract like things.
Here's an example.

or

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