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5n+2n=7n

If the variable is the same, n, then you can add the coefficients, 5 and 2.

In General

an+bn=(a+b)n

FOR A CASE THAT DOES NOT WORK.

5n+2m=5n+2m

You cannot combine unlike variables

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โˆ™ 2010-10-14 23:43:52
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Q: How do you simplify 5n plus 2n and can you explain because i was sick but my friend gave me the homwork?
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