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Problema
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$11\right)$ $12x-4=3x$ $12\right)$ $5x-2x=8$ $13\right)$ $15x+2=3x+10$ $14\right)$ $3\left(x-1\right)=5x+4$ $15\right)$ $12x+3=-4\left(x-1\right)$
Bachillerato
Aritmética y álgebra
Solución
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Profesor de Qanda - Jhon
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Éxitos espero mis 5 estrellas