Fassinaboys Fassinaboys

25-10-2016
Mathematics

contestada

solve 7m+2n=21 and 10m+4n=-10 with substitution

Respuesta :

Аноним Аноним

25-10-2016

I hope this helps you

10m+4n= -10

5m+2n= -5

-5m-2n= 5

7m+2n-5m-2n= 21+5

5m=26 m= 26/5

5.26/5+2n= -5

26+2n= -5

2n= -31

n= -31/2

Answer Link

Otras preguntas

what is the square root of 199999x20099

Elige la palabra mejor para completar la oración. - Mi madre usa una cuando ir al supermercado. Question 1 options: A) panadería B) bolsa C)

Which of the following statements about water policy is true? a. The United States does not regulate water quality. b. Policies regulating water pollution and w

two reasons why Caribbean musicians may wish to promote their particular style of music

Select True or False for each equation

How was the government's response to the controversy at "ole miss" similar and or different than its response to the little rock controversy in 1957?

Sean drank 2 liters of water today,which was 280 milliliters more than he drank yesterday,how much water did he drink yesterday

(1) Luckily, coaches teach their athletes the safest way to land when diving to avoid injury. (2) Sometimes, players have to dive for balls that are more th

5,000cm and 5m which is greater???

One of the founders of rhode island, who was banished from the massachusetts bay colony, and convicted in a trial was