Which situation is represented by the equation? 6n + 12 = 2n + 36

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10-04-2018
Mathematics

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Which situation is represented by the equation? 6n + 12 = 2n + 36

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vitulocarlo vitulocarlo · Answer 1 · 2018-04-12T05:30:56+02:00

vitulocarlo vitulocarlo

12-04-2018

6n+12=2n+36
We move all terms to the left:
6n+12-(2n+36)=0
We get rid of parentheses
6n-2n-36+12=0
We add all the numbers together, and all the variables
4n-24=0
We move all terms containing n to the left, all other terms to the right
4n=24
n=24/4
n=6

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