Answer:
3 + x
Step-by-step explanation:
"More than" means addition. 3 more than x is saying 3 plus x. In an algebraic expression, this would look like:
For example, the phrase "3 more than an unknown number" becomes the mathematical expression "x + 3." Because the unknown number has no explicitly stated value, we label it with a variable x. To get a value three more than x, simply add 3 to it.
hope it helps ya mate. ~^~
they are already paralell
ok
the answer can be found in cases like this , the answer is 20
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