lisatutma lisatutma
  • 22-08-2017
  • Mathematics
contestada

Can you PLEASE help me!!!

Can you PLEASE help me class=

Respuesta :

kphung76127
kphung76127 kphung76127
  • 22-08-2017
n+2(2n-5)=20

Distribute
n+4n-10=20

Combine like terms
5n-10=20

Add 10 to both sides
5n=30

Divide both sides by 5
n=6

Final answer: 6
Answer Link
heaken04 heaken04
  • 22-08-2017
n+2n-5+2n-5=20

that is all sides with given values.

combine like terms

5n-10=20

inverse operation
5n-10=20
    +10  +10
_____________
5n =30
divide by 5
n=6




Answer Link

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