Respuesta:
4x+2y=10 ...(I)
2(2x+y)=10
2x+y=5
y=5-2x
5x+3y=13 ...(II)
5x+(y+y+y)=13
5x+(5-2x + 5-2x + 5-2x)=13
5x+(15-6x)=13
5x+15-6x=13
15-x=13
15-13=x
2=x
...(I)
y=5-2(2)
y=5-4
y=1
x=2 y=1
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Respuesta:
4x+2y=10 ...(I)
2(2x+y)=10
2x+y=5
y=5-2x
5x+3y=13 ...(II)
5x+(y+y+y)=13
5x+(5-2x + 5-2x + 5-2x)=13
5x+(15-6x)=13
5x+15-6x=13
15-x=13
15-13=x
2=x
...(I)
y=5-2x
y=5-2(2)
y=5-4
y=1
x=2 y=1