gp715257
gp715257
25-10-2017
Mathematics
contestada
Life situation for 3n-9=2n+12
Respuesta :
Parakeetbot1
Parakeetbot1
25-10-2017
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
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