Respuesta:
a) 6x+2=20-3x. X:2
b)4x-2x=6-2x. X:3/2
c)-9x-12=6+3x. X:-3/2
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Respuesta:
a) 6x+2=20-3x. X:2
b)4x-2x=6-2x. X:3/2
c)-9x-12=6+3x. X:-3/2