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Q: What is 2n plus 10 equals n plus 20?

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10 - 2n = 30 10 - 2n + 10 = 30 + 10 2n = 40 2n/2 = 40/2 n = 20

-6

2n plus 7 equals 19 2n equals 12 n equals 6

2n + 5 = 25 < ---------------- Write the Equation 2n = 20

2(10)+1

3n + 6 = n + 202n = 14n = 7

You can't. 17 + 2n = 21 + 2n gives: 2n = 4 + 2n which gives 0=4 which is not possible so the sum is not solveable.

5n + 1 = 10 + 2n5n - 2n + 1 - 1 = 10 - 1 + 2n - 2n3n = 93n/3 = 9/3n = 3

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

1 + 2 + 4 + ... + 2n = 2n+1 - 1

9 - 5n

The answer to 2N-4 time 7N plus 7 equals -10.50. This is a math problem.

20

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

n=-9.6

n= -2

the answer is 0

n = 1

15m + (2n-6m) + 11m = = 15m + 11m + 2n - 6m = 26m - 6m + 2n = 20m + 2n = 2(10m + n)

2n + 19 = -7 2n = -7 - 19 2n = -26 n= -13

Well, if 6 equals 1 plus five, the 2n you put in the middle must be nothing. Think. n=0 Sorry If it's not right

It is 2n + 20.

Because n = 101.5

5n + 15 = 25 you subtract 15 from both sides then you get 10 then divided 5n by 10 you get 2n

n = -6