aiirrx
aiirrx aiirrx
  • 21-08-2017
  • Mathematics
contestada

[HELP PLEASE ALGEBRA]

Would the answer only be B?

HELP PLEASE ALGEBRA Would the answer only be B class=

Respuesta :

caylus
caylus caylus
  • 21-08-2017
Hello,

|x+4|=3x-5
if x+4>=0 then
          |x+4|=x+4
          x+4=3x-5
          2x=9
            x=9/2
else
    x+4<0 : x<-4
    |x+4|=-(x+4)
     -(x+4)=3x-5
    -x-4=3x-5
    4x=1
    x=1/4 : to exclude since x<-4
end if


Only one solution : x=9/2
ANSWER B.
Answer Link

Otras preguntas

cuanto es 90 x 90 entre 50?
In a certain year solar and wind energy generated totaled 1016 trillion BTUs. Wind generated 53 trillion BTUs more than eight times that generated by solar ener
The hummingbird shown here must beat its wings repeatedly to hover over flowers and drink nectar. What force does the beating of the hummingbird’s wings overcom
(1) Society is becoming more and more aware of the negative global impacts currently taking place. (2) Green building is one way to ease the consequences of glo
The product of three consecutive odd numbers is 6,783. What are the numbers?
What happened to Alsace-Lorraine after World War 1
What can be a common unexpected emotion when catching a ball?
Enumera cinco de las contribuciones del periodismo al ensayo
What is the value of the expression 3y +5 when y=-4
A man is accused of federal income tax evasion and will be tried. which court will be the first to hear his case? a. u.s. appeals court b. u.s. circuit court