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

Otras preguntas

How do you balance S8+F2=SF6
What is dynamic conservatism?
In the kidney, the structures that filter the blood are the __________.
500 people fill up 4/9 of the hall. What is the seating capacity of the hall?
A concession stand sells hamburgers. The revenue from hamburgers is (30x + 45) dollars. The price of a hamburger is $5. Write an expression that represents the
how to find cos11pi/3. what is the steps to find this
Can someone please help me? The question in the square red box.
12 less than one-eleventh of some number, w"
how to find cotangent 510 degree what is the steps
A concession stand sells hamburgers. The revenue from hamburgers is (30x + 45) dollars. The price of a hamburger is $5. Write an expression that represents the