franniecool14 franniecool14
  • 06-02-2018
  • Mathematics
contestada

If 4m - 7n = 10 ans 2m + 2n = 4, then what is the value of 2m-9n

Respuesta :

mathmate
mathmate mathmate
  • 06-02-2018
Given:
4m - 7n = 10 .................(1)
2m + 2n = 4 ..................(2)

(1)-(2)
4m - 7n - (2m + 2n) = 10-4
=>
2m-9n = 6
Answer Link

Otras preguntas

Do African Merchants Make Fortunes Trading Cloth for Rum
What health component is improved with both isometric and isotonic exercise​
need help ASAPaccording to William Allen white what ere three reforms the progressives supported to expand democracy?
El restaurante (servir) comida muy rica.
what is the L.C.Mof 6 and 12?​
What is the source of thermal energy,the direction as matter flow,and the role of gravity in the process?
I put a pic of question here. I'm in 8th grade
Seriously need help!! First correct and full answer gets brainliest 1.The car ran out of gas, and it stopped in the middle of the road. * (A) simple sentence (B
which group eventually overran babylon
India had a caste system based on five levels. Place them in order. highest: second: third: fourth: lowest (outside): Choices- peasants, priests, untouchabl