Respuesta:
[tex]2x-1=x+2\\\\\mathrm{Suma\:}1\mathrm{\:a\:ambos\:lados}\\\\2x-1+1=x+2+1\\\\siempre -simplificar\\\\2x=x+3\\\\2x-x=x+3-x\\\\resultado \\\\x=3[/tex]
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Respuesta:
[tex]2x-1=x+2\\\\\mathrm{Suma\:}1\mathrm{\:a\:ambos\:lados}\\\\2x-1+1=x+2+1\\\\siempre -simplificar\\\\2x=x+3\\\\2x-x=x+3-x\\\\resultado \\\\x=3[/tex]