djh1971 djh1971
  • 01-09-2020
  • Mathematics
contestada

The sum of twice a number and 7 is -19

Respuesta :

Аноним Аноним
  • 01-09-2020

Answer:

The number will be -13

Step-by-step explanation:

Let the no. be x

Its twice will be = 2x

According to the question ,

[tex]2x + 7 = -19\\=> 2x = -19 - 7 = -26\\=> x = \frac{- 26}{2} = - 13[/tex]

Answer Link
zarampa
zarampa zarampa
  • 01-09-2020

Answer:

The number is:

-13

Step-by-step explanation:

2a+7 = -19

2a = -19 -7

2a = -26

a = -26/2

a = -13

Check:

2*-13 + 7 = -19

-26 + 7 = -19

Answer Link

Otras preguntas

What is the fraction ten fourteenths in its simplest form?
Prove the identity: cos(3x) + cos(x) = 2cos(2x)cos(x) I'm almost done with my homework, just got stuck on this one.
Why do you think the governments of the United States and other countries encouraged people on the home front to organized programs for such activities as scrap
A packet is dropped from a stationary helicopter, hovering at a height 'h' from the ground level, reaches the ground in 12s. Calculate 1) value of 'h' "displac
What is being personified in the following passage? Fear had settled over the city.
Find the value of 2 in this equation. 33- (8t) = 15
What phylum has animals with soft bodies, and most of them have shell-like coverings?
What is an analogy for democracy?
What does it mean when sperm can't penetrate the eggs
What fraction is closest to 3/4? 2/3 3/5 7/10 13/20 Show your working please