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Q: What is 4n minus 2n equals 18?

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4n - 2n = 84 2n = 84 n = 42

2n+2n equals 4n

n=10/7. i did this one mentally. but are you sure its 8n minus negative 4n or is it 8n minus 4n? 8n- -4n does not equal 8n-4n 8n- -4n is the same as 8n+4n

Move the 2n over the equals sign. Become 4n (as 6n-2n= 4n) and then if 4n=16 then n=4.

12+4n = 2n12+4n-4n = 2n-4n12 = -2n-1/2(12 = -2n)-6 = n

3n + 2n = 7 + 4n 5n = 7 + 4n 5n - 4n = 7 n = 7

3 + 3n = 9 + 2n + 4n n = -2

n(2n - 1)(2n + 7)

4n+20=53-2n

4n

n= -2

If you mean: 4n-2n = 4 then 2n = 4 and n = 2

3n+18 = 39 -4n 3n+4n = 39 -18 7n = 21 n = 3

-2.18

4n + 30 = 2(2n + 15)

4n + 30 = 2(2n + 15)

6n -3=2n+9 6n-2n=9+3 4n=12 n=12/4 n=3

(4n + 1)*(2n + 6) = 8n2 + 26n + 6

34 divide by 4n 34 - 4n cause 2nx2 is 2n+2n 2n is n+n so it is n+n+n+n =4n

4n - 2n = 4 .Before we continue with the solution to this problem,it will help us to remember that4 cows - 2 cows = 2 cows4 beers - 2 beers = 2 beers4 books - 2 books = 2 books4 dollars - 2 dollars = 2 dollars.Similarly, on the left side of the equation, 4n-2n = 2n.So now the equation actually says2n = 4Divide each side by 2:n = 2

2n+4n-12 = 06n-12+12 = 126n = 121/6(6n = 12)n = 2

4n + 30 = 2(2n + 15)

If you mean: 4n = 1-23-2n then 6n = -22 and so n = 11/3

4n

If the given equation were factorized it would be: 2n2 + 4n = 2n(n+1) Another Answer:- The given expression when factored is 2n(n+2)