Question

7m - 2n + 34 = 0
5m + 3n + 11= 0

Answer 1

7m- 2n= -34
5m+3n= -11

Sumamos:

7m-2n+5m+3n = -45
12m+n=-45
n=-45-12m ---> n= -45-12(-4) => n=3

Reemplazamos:

5m+3(-45-12m)= -11
5m-135-36m= -11
-31m= 124
m=-4

Y Listo, terminado :)

Espero te haya servido n.n