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

How as the Soviet collectivization of agriculture an example of a dictatorial government
What is the quotient of 2/3 ➗ 5?
What equals 17 by multiplying
Identify the basic structure of a chemical equation?
Which was not accomplished by the Northwest Ordinance? A. giving women the right to vote B. making plans for territories to become states C. forbidding slavery
if we have 6,000 movies and 3/5 were borrowed . how many movies were borred
A. How many sixths are in two-thirds? B. How many fourths are in six‑eighths? C. How many halves are in 5/10?
An electromagnetic wave is composed of electrical and magnetic energy. true or false
What is 23 less than x?
What two forces affect the level of an objects acceleration?