Question

2m – n = 14
5m + 2n = -23

MÉTODO DE SUSTITUCIÓN

Answer 1

Respuesta:

m= -1

n = -16

Explicación paso a paso:

2m - n = 14

2m - 14 = n

5m + 2n = -23

5m + 2(2m-14) = -23

5m + 4m = -23 +14

9m = -9

m=-1

2(-1) - 14 = n

-2 -14 = n

-16 = n