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5x + 4y = 10
6x - 4y = -32
5x + 4y = 10
----------------------
11x = -22
x = -22/11
x = -2
sustituir (-2) en una ecuación:
5(-2) + 4y = 10
-10 + 4y = 10
4y = 10 + 10
4y = 20
y=20/4
y = 5
x= -2 y= 5