Feliciadejesus01 Feliciadejesus01

10-12-2019
Mathematics

contestada

2m+n=7
4m+3n=-10
Solve using substitution method

Respuesta :

Yang100 Yang100

10-12-2019

Answer:

m=31/2, n=-24. (31/2, -24).

Step-by-step explanation:

2m+n=7

4m+3n=-10

-------------------

n=7-2m

4m+3(7-2m)=-10

4m+21-6m=-10

-2m=-10-21

-2m=-31

2m=31

m=31/2

2(31/2)+n=7

31+n=7

n=7-31

n=-24

Answer Link

Otras preguntas

expand and simplify 2(x+7)+ 3(x+1)

I am alone. can anyone please talk to me

branches of sicence

The Case of the Missing Script Where should you go next

Dig News August 2011 Last year I went on my first archaeological dig in South America. It was an amazing experience. I had no idea what we might find. As I watc

8.78 + 6.2 show you work

Nigel wants to average 85% on his four tests. He got 77%, 89%, 78% on his first three tests. What does he need to get on his last test to average 85%?

1. Wrote the subject pronoun that you would use when talking to: tu mejor amigo(a) 2. Write the subject pronoun that would be used when talking to: a doctor 3.

Paying taxes, voting, jury duty and obeying the laws are all examples of- Personal Responsibilities O Government Responsibilities O Civic Responsibilities O Man

Stan borrows $5,500 at a rate of 12% interest per year. What is the amount due at the end of 5 years if the interest is compounded continuously? In your final a