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1) 2m + 12n = - 22
2) 8m - 12n = 32
2m + 12n = - 22
8m - 12n = 32
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10m + 0n = 10
10m = 10
m = 10/10
m = 1
Reemplazo m = 1 en ecuación 1.
2m + 12n = - 22
2 (1) + 12n = - 22
2 + 12n = - 22
12n = - 22 - 2
12n = - 24
n = -24/12
n = - 2
Solución :
m = 1
n = - 2