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

A boat is being pulled into a dock with a rope attached to the boat at water level. When the boat is 12 feet from the dock, the length of the rope form the boat
How many mountains does west texas have ? A . 60 B . 74 C . over 91 D . less than 50
What are nucleic acids
The distance around a yard is 588ft. If the length of the yard is 2 more than 3 times the width, find the perimeter and width of the yard
simplify the equation (2x³) (x⁴)² / 8x¹¹
the field of _ determines the source of a disease outbreak in a community
Where did the Spanish establish most of their missions in the Americas? A.)in the eastern half of South America B.)in the southern regions of North America C.)i
the slope of the line that passes through the point (2 4) and (3 8) is​
C-14 has the atomic number of 6 How many neutrons does it have
Mike Is standing on a ladder that is partly in a hole he starts out on a rung that 6 feet underground climbs up 14 feet the climbs down 11 feet what is mikes fi