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

A movie theatre sells 20 orders of nachos, 25 candy bars, 40 boxes of popcorn and 45 sodas. Which ratio is the greatest?
During the Industrial Revolution, many hand tools were replaced with... a: electronics b: people c: child labor d: machines
Select the sentence that contains an adjective phrase. The nurse's shoes, sensible and white, squeaked on the polished floor. Victoria's hair blew in the wind
How does fertilizer run off pollution?
I'M GIVING 50 POINTS!!!! NEEDS 2 B CORRECT!!!! EXPLAIN2!!!!!! Which substances are needed in the smallest amount by a human body? A. carbohydrates B. lipids
Please help me (6 + 8i)(4 - 7i)
What is the value of the expression 30-5x4+2
When the price of a good rises, consumers buy a smaller quantity because of the ________ effect and the ________ effect?
Name the two mountain chains found in Canada
a rectangular field is 70 feet long and 30 feet wide. if fencing cost $7 per yard, how much will it cost to enclose the field