Life situation for 3n-9=2n+12

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asked May 8, 2018 123k views

1 Answer

Sjlewis · Answer 1 · 2018-05-11T13:07:44+0000

3n-9=2n+12

Move variable to its left side

3n-2n-9=12

Subtract the like terms (3n-2n)

1n-9=12

Add 9 with 12

1n=21

We need to get rid of the 1 so Divide 1n with 12

n=21

Hope this helps! :3

Life situation for 3n-9=2n+12

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