Question

simplyfy n+(m+1)+(n+2)+(m+3)+(n+4)+(m+5)​

Answer 1

Answer:

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Answer 2

Answer:

n+(m+1)+(n+2)+(m+3)+(n+4)+(m+5)

Open the brackets →

n+m+1+n+2+m+3+n+4+m+5

Collect the like terms →

(n+n+n)+(m+m+m)+(1+2+3+4)

Add it →

3n+3m+15

So , here is your answer