The answer is: n=4.
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-6n-2n 16 can be solved mathematically getting n = - 2.
Move the 2n over the equals sign. Become 4n (as 6n-2n= 4n) and then if 4n=16 then n=4.
5n+6n-2n can be solved by combining like terms. Combine 5n and 6n and -2n to get 9n.
To multiply the expressions (6n) and (2n), you multiply the coefficients (6 and 2) and the variable terms. This results in (6 \times 2 = 12) and (n \times n = n^2). Therefore, (6n \times 2n = 12n^2).
Is this page of questions from school pupils asking us to do their homework? They are all suspiciously similar in type - only the values differ. However, it's: 6n - 2n = 16 4n = 16 (by completing the subtraction since they are multiples of n) n = 16/4 (change sides, change sign) n = 4. (do the division)