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The expression 12+x+412+x+4 represents the perimeter of a triangle. Simplify the expression. I am stuck.

2 Answers

3 votes
1) add the like terms together so combine the X's to create 2x.

2) Add the numbers without a like term.
12+412+4= 428

Answer: 2x+428
User Nikolay Frick
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6 votes
Just add like terms, 2x+432
User EvilBeer
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