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Mayor = Y
X - y = 16 (1)
X - 2 = 3y/4 (2)
De (2) despejo x
X - 2 = 3y/4
X = 3y/4 +2 (3)
Reemplazas en (1)
X - y = 16
3y/4 +2 - y = 16
3y/4 - y = 16 - 2
(3y - 4y/4 = 14
-y = 4×14
-y = 56 //×(-1)
y = - 56
Reemplazas Y en (3)
X = 3y/4 + 2
X = 3×(-56)/4 +2
X = - 168/4 +2
X = - 42 + 2
X = - 40
-40 - (-56) = - 40 + 56 = 12