shanteJ shanteJ
  • 23-09-2016
  • Mathematics
contestada

3 times a number plus 12 minus 5 times the same number is 22

Respuesta :

bennyvym bennyvym
  • 23-09-2016
(3x+12)-5x=22
-15x^2-60x=22
-15x^2-60x-22=0
x=-b/2a
x=60/-30
x=-2
Answer Link

Otras preguntas

Schools established by Charlemagne were a. based on Greek philosophies. b. based on Roman schools. c. a mix of eastern and western teachings. d. based on mi
In which lines in this poem does the speaker compare her love to the pursuit of a social cause? Sonnet 43 by Elizabeth Barrett Browning How do I love thee? Le
The primary purpose of the Magna Carta was to
A gas in a rigid container at 25°C has a pressure of 0.96 atm. A change in temperature causes the pressure to increase to 1.25 atm. What is the new temperature
Wind with the speed of less than 50 km/h is called
Which sentence is an example of personification? A."The body turned over and over in space and hit the ground with a dull thud." B."The cloud of fear scatter
Density is ____ per unit volume.
Why is alcoholism considered a chronic disease? a. Alcoholism requires lifelong treatment. b. It is marked by the sudden onset of severe symptoms. c. Alcohol
who is responsible for examining and removing a body from the crime scene? a. police officer b. coroners assistant c. detective d.paramedic
Select the best analogy. 23. (5 pt) aviary : birds ::