natashaartem
natashaartem natashaartem
  • 04-08-2018
  • Mathematics
contestada

Three times the sum of a number and -2 is -15. find the number

Respuesta :

Аноним Аноним
  • 04-08-2018

Hello!

Let's write this as an equation below.

3(x-2)=-15

First we undo the parentheses.

3x-6=-15

We add 6 to both sides.

3x= -9

We divide both sides by 3.

x= -3

Therefore, our number is -3.

I hope this helps!

Answer Link

Otras preguntas

Where did the Mayans live
calculate the mean 3,2,2,2,86
What is the mass of 5.50 moles of magnesium chloride, MgCl2?
What is the main purpose of this article since the fouding of 1956, the Duke of Edingurgh A ward (DofE) scheme has inspired people from all background tyo achie
¿Que doctrina decía "America para los Americanos"?​
John Hedrick wants to pay one-half of the college costs for his daughter Ruth. She will be attending a private college with annual costs of $20,000 today. Ruth
A completely inelastic collision occurs between two balls of wet putty that move directly toward each other along a vertical axis. Just before the collision, on
​A rain barrel is a container that captures and stores rainwater for landscape and garden use during dry periods. As a result, rain barrels benefit the communit
write the interval of points that are less than -4
A solenoid with 500 turns has a radius of 0.040 m and is 40 cm long. If this solenoid carries a current of 12 A, what is the magnitude of the magnetic field nea