Respuesta:
Explicación paso a paso:
5[2x-4(3x+1)]=-10x+20
5[2x-12x-4]=-10x+20
5[-10x-4]=-10x+20
-50x-20=-10x+20
-50x+10x=20+20
-40x=40x=-1
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Respuesta:
Explicación paso a paso:
5[2x-4(3x+1)]=-10x+20
5[2x-12x-4]=-10x+20
5[-10x-4]=-10x+20
-50x-20=-10x+20
-50x+10x=20+20
-40x=40x=-1