Flaness Flaness
  • 13-11-2018
  • Mathematics
contestada

the sum of twice a number and 7 is equal to the sum of the number and 8

Respuesta :

keyalaboyd keyalaboyd
  • 13-11-2018

(4)2 + 7= 15.

15-7=8.

I would say that number is 4 because 4+4= 8, and 8+7 =15.


Answer Link

Otras preguntas

Calculate the mass of water having same number of hydrogen atoms as are present in the 32gram of methane. Please help me soon......​
Evaluate the extent to the Columbian Exchange created a beneficial connection between European colonizers and indigenous (native) peoples in the Americas betwee
In a high school, 2/5 of the girls make up 150 students. How many girls are there in the high school? Answer with an equation
Of the 69 people who answered "yes" to a question, 10 were male. Of the 64 people who answered "no" to the question, 13 were male. If one person is selected at
Answer for GFC 16,18,30
Which statements correctly describe the graph of the function f(x)=x^3-4x^2-3x+18? select three options.​
To rebuild Turkey after the collapse of the Ottoman Empire, Mustafa Kemal Ataturk did all of the following, except: abolish the fez. institute Islamic Sha
what was john browns role in the violence that led to “bleeding kansas” ?
simplify 36 divided by (4+6)
A virus is a self-replicating program that produces its own code by attaching copies of it into other executable codes. Which of the following virus evade the a