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

Being emotionally healthy helps us to be socially healthy. True False
In 1918 why did Russia sign a harsh peace treaty with the germans
How many insect species are there in 2017?
What did Zionism focus on during the late 19th century
Guys, I heard a noise in the room next to my room. But nobody is downstairs (that where I am)... what do I do? Please help me.
A brainstorming web can be an important tool in narrative writing because
William is a 68-year-old man whose doctor has diagnosed him with brain cancer; he has only months to live. at first he didn't believe it, but after he got a sec
What is the expression name of 6x^3-9x+3
The northern 40 percent of Canada consists of
Join together each of the following pairs of sentences by means of a Relative Pronoun:- ( who, whom, whose, which, that ) 1) Rabindranath Tagore was born