horsebuttons123 horsebuttons123

25-10-2017
Mathematics

contestada

9n+21−3n−24 simplify

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elhamrah11 elhamrah11

25-10-2017

Alright First you combine the like terms.
9n - 3n = 6n
21 - 24 = -3

Rewrite the simplified equation
6n - 3 = 0

Solve for n
6n = 3
n = 3/6
n = 1/2

Ask if you need more help! :)

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