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

A sequence has an initial value of 10 and each term is twice the previous term. Which function models this sequence?1) a(n)=10(2)^n2) a(n)=10(2)^n-13) a(n)=10+2
what are the landforms of vermont
A certain test is worth 155 points. How many points (rounded to the nearest point) are needed to obtain a score of 65%?
Why does a pendulum eventually stop swinging?
What is the main idea of Truman's statement about the use of atomic weapons
Why was there growing involvement of the USA in Europe in the years 1945-48 ??
In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?
In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?
A pack of 9 toilet rolls costs £4.23 A pack of 4 toilet rolls costs £1.96 Which pack gives the better value for money? You must show all your working.
What is the main idea of Truman's statement about the use of atomic weapons