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

User Michael Antonius
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1 Answer

7 votes
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
User Sjlewis
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