student27 student27

17-08-2016
Mathematics

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what's the missing variable for 1/3n+3=-n-2

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dasetka dasetka

17-08-2016

[tex] \frac{1}{3} [/tex]n + 3 = -n - 2 Multiply both sides by 3 to cancel out the fraction
n + 9 = -3n - 6 Add 3n to both sides
4n + 9 = 6 Subtract 9 from both sides
4n = -3 Divide both sides by 4
n = [tex]- \frac{3}{4} [/tex]

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