Respuesta:
sale 2
Explicacion paso a paso:
2x-1=3x +3 -x -4
2x-1=6x-x=6
2x-1=6-4=2
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Respuesta:
sale 2
Explicacion paso a paso:
2x-1=3x +3 -x -4
2x-1=6x-x=6
2x-1=6-4=2