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

Protons are released from rest in a Van de Graaff accelerator. They start from a region where the potential is 7.15 MV then travel through a vacuum region to a
Find the value of 10!/(10-2)! A) 720 B)80 C)90 D)45
Max saved some money by buying a book of 10 movie passes rather than individual tickets.Howcan he figure out how much money he saved?​
Need Help Plz Answer Plz!!
What are the two design conditions necessary before an ion chamber can be considered a Bragg-Grey chamber? What could such a chamber be used for?
The ____ algorithm tries to extend a partial solution toward completion A. backtracking B. recursive C. backordering
Prove that sin^2A/cos^2A + cos^2A/sin^2A = 1/cos^2A*sin^2A - 2
Please correct the wrong sentences for me . /////////////////////////////////////////// /It is held on July 18th,2019 at my house.please bring soft drinks and s
How many permutations are there of the letters in the word 'PLANTS', if all the letters are used without repetition?
Internal flow is one in which the flow is not bounded. a) True b) False