anahi00
anahi00 anahi00
  • 02-03-2016
  • Mathematics
contestada

What is the value of x in the equation 3x – y = 18, when y = 27?

Respuesta :

dancergeek22
dancergeek22 dancergeek22
  • 02-03-2016
3x-27=18
   +27  +27
3x=45
/3    /3
x= 15
Answer Link
Аноним Аноним
  • 02-03-2016
y = 27

3x-y =18
Lets substitute the equation 
= 3x- 27 = 18
   3x       = 18 + 27
   3x       = 45
     x       = 45/3
     x       = 15

So, lets check if the answer is right

3x- y = 18
3*15 - 27 = 18
   45- 27  = 18
           18= 18   CORRECT !

Therefore, the value of x is 15


Answer Link

Otras preguntas

Solve Please- 2(2x+3)=30
-Question Worth 50Points!!-
Consumers rely on other organisms. why?
I need ideas for a hybrid animal that has 3 different characteristics for art! I need to be able to make it out of clay. (like how a lion has a mane)​ Oops I me
Find the volume of the prism...
c.bien,unten,hinauf,hinunter,herauf,herunter?Ich warte auf dich hier................Geh schnell..................und hol mir die Jacke..................Ich bin.
if f(x) =4x+7,which of the following is the inverse of f(x)
Please Help ASAP........................ ​
which pathogen can contaminate food if a food service worker sneezers on the food?A. clostridium perfringensB. E. coliC. salmonellaD. staphylococcus aureus
15. As a future healthcare professional, reflect on your thoughts regarding the punishment of drug offenders. Should these individuals be treated or incarcerate