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

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

what is the answer for (20,8),(9,16) ?

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

how is mass transit in cities a possible solution tk urban air pollution?

find an equivalent expression without parentheses -(50x-15y+15)=

(10y^3+20y^2+55y)/5y

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??