lisatutma
lisatutma
22-08-2017
Mathematics
contestada
Can you PLEASE help me!!!
Respuesta :
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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