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Q: N plus 3 equals 3 plus n?

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N=0

n = 2

n = 3

N=3

n=14 !

3 + 9 = 12

The value of n is 3, by the commutative property.

3

5-2=3n=3

1

20 = 5 + n/3 15 = n/3 n = 45

4n + 3 = 31n 3 = 27n n = 3/27

2+n-3 = 6 n = 6+3-2 n= 7

So, 3 + 12 = n + 3. Subtract 3 from both sides of the equation and get 12 = n or n = 12 if you prefer.

n = 8

N=3.

That would be 18+n. 5+3+2 = 5+3+n 10 = 8 + n 10-8 = n 2 = n and if you substitute 2 for n then you see that 5+3+2 = 5+3+2

2 plus n is the true one, but 1 plus n is not?

your expression is this... n+5=3+12 n+5=15 n=10

N = -4 and 3/8

Simple equation lad. In your example, you said n=4 and x= n squared + n - 1 + (n-2)squared + (n-3)squared. You simply write n²+n-1+(n-2)²+(n-3)² I hope that is what you mean by what you say. P.S. To get the to the power of sign, hold alt and press 0178 for ², and 0179 for ³

If you know that n = 15, substitute 15 for n and solve: n + 3 - 9 15 + 3 - 9 9

n + (2 x 3) = 21 Therefore, n = 21 - (2 x 3) n = 15

8¾

2=n