livvyxo
livvyxo
03-05-2016
Mathematics
contestada
Can someone please solve 10n - 3 = 7n + 21
Respuesta :
Willchemistry
Willchemistry
03-05-2016
[tex]10 n-3 = 7n+21[/tex]
Add 3 to both sides :
[tex]10n-3+3=7n+21+3[/tex]
[tex]10n=7n+24[/tex]
Subtract 7 n from both sides:
[tex]10n-7n=7n+24-7n[/tex]
[tex]3n=24[/tex]
Divide both sides by 3 :
[tex] \frac{3n}{3} = \frac{24}{3} [/tex]
[tex]n = 8[/tex]
hope this helps!
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
An eighteen wheeler weighing 40 tons is traveling down the highway with a speed of 80.0 mi/hr. The driver sees an accident 0.10 miles ahead and slams on the bra
ENZYME CATALASE LAB (directions to lab) 1. State the problem 2. Catherinformation 2. Forma lyhen 4. Experiment Independent Variable What you call Part Norma Ena
Simplify: (3/5)^4 × (8/5)^-12 × (32/5)^6
one joint of marijuana impairs a person more than having a blood alcohol content of _____ %.
solve the inequality -7/2(12x+6)<8-5x help please
im toooo bad at math plz help
another name for the term ____ is trade off
The dramatic increase in the number of slaves from 1700- 1770: A: 1,000-5,000 B: 2,000-130,000 C: 3,000-10,0000 D: 4,000,40,000
math problem help to do this step by step
Your carbon footprint can be defined as?