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There appears to be no process, simply the statement of an identity.
'n' can be any number, but when applied to (2n + 4), n = 2.5
3n + 9 = 3(n + 3)
2n + 19 = -7 2n = -7 - 19 2n = -26 n= -13
When n=53, then 2n + 1 = 107
12+4n = 2n12+4n-4n = 2n-4n12 = -2n-1/2(12 = -2n)-6 = n
2n plus 5 n would be 7n and its impossible to solve the value of n.
2n plus 7 equals 19 2n equals 12 n equals 6
Solve for n. 2n+3=0 2n=-3 n=-3/2
That factors to (2n + 1)(n + 2)
Given that 2n = 6 + n, subtract n from each side and n = 6
twice a number n is 2n plus 3 is + 3 → twice a number n plus 3 is 2n + 3.
2n2 + 15n + 7 = 2n2 + n + 14n + 7 = (2n2 + n) + (14n + 7) = n(2n + 1) + 7(2n + 1) = (2n + 1)(n + 7)
'n' can be any number, but when applied to (2n + 4), n = 2.5
3n + 9 = 3(n + 3)
2n + 19 = -7 2n = -7 - 19 2n = -26 n= -13
When n=53, then 2n + 1 = 107
15m + (2n-6m) + 11m = = 15m + 11m + 2n - 6m = 26m - 6m + 2n = 20m + 2n = 2(10m + n)