peytan18 peytan18
  • 03-09-2018
  • Mathematics
contestada

x+2x=9
what does x equal? and how do I get the answer?

Respuesta :

tramserran
tramserran tramserran
  • 03-09-2018

add like terms on the left side (x + 2x), then isolate the variable on the left side by dividing both sides by 3.

x + 2x = 9        

    3x = 9           added like terms

     x = 3             divided both sides by 3

Answer: 3

Answer Link

Otras preguntas

Solve the system of equation Y= 3x -1 4x+y=-8
2 meters is the same as how many feet?
The U.S. Constitution outlines the powers of our federal government but it also limits those powers. Correct the text by inserting one comma.
what were some of the benefits to the europeans
how effective do you find the predictable ,parallel structure of the poem in communicating a message about human nature?support your response with exampled frlm
A student who is skipping in a zigzag pattern is demonstrating an understanding of which of the following movement concepts? 1) Balance 2) Coordination 3) Flexi
If you, as a health care practitioner, are asked to interview job applicants, which of the following topics would be off-limits for questions? A) Inquiring abo
A ______ is placed above the size indicator of a unit symbol to show that it is task-organized for a specific mission or operation.
In the Nicomachean Ethics, how does Aristotle describe the virtue of courage, liberality, and friendliness? What vice of deficiency and excess correspond to eac
give me a song with simlie in it