-132
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It's difficult to tell what you're asking. It looks to me like: -17x = -204 ---> x = (-204)/(-17) = 12 21 = -7n ---> n = 21/(-7) = -3 -143 = -11x ---> x = (-143)/(-11) = 13 -16 + x = -15 --> x = -15 + 16 = 1 n-8 = -10 --> n = -10 + 8 = -2 Is this what you mean? Remember that when you multiply (or divide) two Negatives, you get a Positive. A Negative * Positive = Negative; Negative / Positive = Negative; Positive / Negative = Negative. To isolate n in something like [n-8], you need to add 8 to both sides of the equation.
If you mean 11n = 143 then the value of n is 13
If you mean n times 7 equals 56... Then the value of n is 8 !
N represents 100
Number density.