2n plus 7 equals 19
2n equals 12
n equals 6
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∙ 2011-12-16 17:56:01It is an equation and the value of n is 14
2n+2n equals 4n
Given that 2n = 6 + n, subtract n from each side and n = 6
2n + 5 = 25 < ---------------- Write the Equation 2n = 20
N=l-m
2n + 19 = -7 2n = -7 - 19 2n = -26 n= -13
-6
-7 = 2n + 19 Subtract 19 from both side -26 = 2n Divide by 2 on both sides n = -13
2(10)+1
2n + 8 = -142n = -22n = -11
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.
9 - 5n
10
15m + (2n-6m) + 11m = = 15m + 11m + 2n - 6m = 26m - 6m + 2n = 20m + 2n = 2(10m + n)
3 + 3n = 9 + 2n + 4n n = -2
2n plus 5 n would be 7n and its impossible to solve the value of n.
Move the 2n over the equals sign. Become 4n (as 6n-2n= 4n) and then if 4n=16 then n=4.