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5x+0y=2 multiplicamos x -6
30x+5y=20
-30 =-12
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/ 5y=8
Y=8/5
y=1.6
sustituimos en la primera ecuacion
6x+1y=4
6x+1(1.6)=4
6x+1.6=4
6x=4-1.6
6x=2.4
x=2.4/6
x=0.4