n + 16 = 25
Subtract '16' from both sides.
n + 16 - 16 = 25 - 16
Collect terms
n = 9
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n - 16 = 2n + 12 + 3nCombine the 'n' terms on the right side:n - 16 = 5n + 12Subtract 'n' from each side:-16 = 4n + 12Subtract 12 from each side:-28 = 4nDivide each side by 4:-7 = n
n + 16 = 9 n + 16 - 16 = 9 -16 (add 16 to both sides, the equation remains same) n + 0 = -7 n = -7
2 plus n is the true one, but 1 plus n is not?
2n plus 7 equals 19 2n equals 12 n equals 6
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