Respuesta :

9x+ 5y=35
2x + 5y=0    |* -1

9x +5y= 35
-2x  -5y= 0
-----------------
7x /  = 35
x=35:7
x=5

2x+5y=0
2*5+5y=0
10+5y=0
5y=-10
y= -10:5
y=-2
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