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

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