jjpatino14 jjpatino14
  • 06-04-2017
  • Mathematics
contestada

2n +9+5n=30 need help on this

Respuesta :

irspow
irspow irspow
  • 06-04-2017
2n+9+5n=30  combine like terms on left side

7n+9=30  subtract 9 from both sides

7n=21  divide both sides by 7

n=3
Answer Link
Zipper
Zipper Zipper
  • 06-04-2017
n = 3

add like terms: 7n + 9 = 30
subtract 9 from both sides: 7n = 21
divide 7 from both sides
n = 3
Answer Link

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