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

-7 = 2n + 19 Subtract 19 from both side -26 = 2n Divide by 2 on both sides n = -13

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.

2n + 8 = -142n = -22n = -11

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

2n plus 5 n would be 7n and its impossible to solve the value of n.

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

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

256 = 2n128 = n

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

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

It is an equation and the value of n is 14

5n + 7 = 28 + 2n (-2n) 3n + 7 = 28 (-7) 3n = 21 therefore, n = 7

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

The value of n is 12.5

3n + 2n = 25 5n = 25 n = 5

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

This equation has no value, as the value of n could be anything, giving this equation an infinite number of answers. To answer this equation, you either need to know what n is, or have an equals sign.

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

Given that 2n = 6 + n, subtract n from each side and n = 6

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

It is a linear Equation, the value of (n) here is 4.5 2n-3=6 2n=9 n=4.5

2(2n + 5) = 12 2n + 5 = 6 2n = 1 n = 1/2

2n plus 4 = 2n + 4

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