eclipsestar eclipsestar
  • 03-05-2015
  • Mathematics
contestada

8x = 2x + 30
What is the value of 'x'?

Respuesta :

iloveonedirection
iloveonedirection iloveonedirection
  • 03-05-2015
[tex]8x=2x+30 \\ \\ (8x)-2x=(2x+30)-2x \\ \\ 6x=30 \\ \\ \frac{6x}{6} = \frac{30}{6} \\ \\ x=5[/tex]
Answer Link
Аноним Аноним
  • 03-05-2015
8x = 2x + 30

subtract 2x from both sides.

8x = 20 + 30
 -2x          -2x

divide both side by 6.

6x = 30
/6     /6

x = 30/6

x = 5
Answer Link

Otras preguntas

Proton pumps are used in various ways by members of every domain of organisms: bacteria, archaea, and eukarya. according to evolution theory, what does this mos
Does anyone know the answer to this question???? Been struggling for a while
mass=1.01 kg; volume =1000cm3
Why do scientists study the characteristics that make life on earth possible?
please help me solve this question
Which illness is characterized by obsessive overeating and excessive weight gain?
.......help please please
Angle S and angle T form a linear pair if measurement of angle S equals 5X +9 and measurement of angle T equals 3X +11 find the measures of both angles
n a certain city, electricity costs $0.18 per kW·h. What is the annual cost for electricity to power a lamp-post for 6.50 hours per day with (a) a 100.-watt inc
the digit 5 in the number 9645 represents a value that is ____ times as large as the digit 5 in the number 62,594 A